Kaley Cuoco & Ryan Sweeting (Fameflynet)

Nina Dobrev & Chris Wood, Jan. 31 (Courtesy of Instagram)

Actresses Julianne Hough (L) and Nina Dobrev attend the Nine Zero One Salon Melrose Place Launch Party on January 17, 2015 in Los Angeles, California. (Photo by Michael Kovac/WireImage)

Actresses Julianne Hough (L) and Nina Dobrev attend the Nine Zero One Salon Melrose Place Launch Party on January 17, 2015 in Los Angeles, California. (Photo by Michael Kovac/WireImage)

Actresses Julianne Hough (L) and Nina Dobrev attend the Nine Zero One Salon Melrose Place Launch Party on January 17, 2015 in Los Angeles, California. (Photo by Michael Kovac/WireImage)

Actress Nina Dobrev attends the Nine Zero One Salon Melrose Place Launch Party on January 17, 2015 in Los Angeles, California. (Photo by Michael Kovac/WireImage)

Actress Nina Dobrev attends the Nine Zero One Salon Melrose Place Launch Party on January 17, 2015 in Los Angeles, California. (Photo by Michael Kovac/WireImage)

Actress Nina Dobrev attends the Nine Zero One Salon Melrose Place Launch Party on January 17, 2015 in Los Angeles, California. (Photo by Michael Kovac/WireImage)

Nina Dobrev attends ELLE's Annual Women in Television Celebration on January 13, 2015 at Sunset Tower in West Hollywood, California. Presented by Hearts on Fire and Olay. (Photo by Jason Merritt/Getty Images)

Nina Dobrev attends ELLE's Annual Women in Television Celebration on January 13, 2015 at Sunset Tower in West Hollywood, California. Presented by Hearts on Fire and Olay. (Photo by Jason Merritt/Getty Images)

Nina Dobrev attends ELLE’s Annual Women in Television Celebration on January 13, 2015 at Sunset Tower in West Hollywood, California. Presented by Hearts on Fire and Olay. (Photo by Jason Merritt/Getty Images)

Actress Nina Dobrev attends HBO’s post Golden Globe Awards party at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Jason LaVeris/FilmMagic)

Actress Nina Dobrev attends HBO’s post Golden Globe Awards party at The Beverly Hilton Hotel on January 11, 2015 in Beverly Hills, California. (Photo by Jason LaVeris/FilmMagic)

Nina Dobrev attends Michael Kors Launch of Claiborne Swanson Frank’s ‘Young Hollywood’ on October 2, 2014 in Beverly Hills, California. (Photo by Jason Kempin/Entertainment/Getty Images)

Jessica Szohr and Nina Dobrev attend the after party for the premiere of eOne Films’ ‘Two Night Stand’ at Teddy’s at The Hollywood Rooselvelt Hotel on September 16, 2014 in Hollywood, California. (Photo by Alberto E. Rodriguez/Entertainment/Getty Images)

Nina Dobrev attends the Versus Versace fashion show during Mercedes-Benz Fashion Week Spring 2015 at Metropolitan West on September 7, 2014 in New York City. (Photo by Ben Gabbe/Entertainment/Getty Images)

Nina Dobrev arrives at the 2014 MTV Video Music Awards at The Forum on August 24, 2014 in Inglewood, California. (Photo by Gregg DeGuire/WireImage)

Nina Dobrev and Julianne Hough attend the 2014 MTV Video Music Awards at The Forum on August 24, 2014 in Inglewood, California. (Photo by Kevin Mazur/MTV1415/WireImage)

Nina Dobrev arrives at the 2014 Teen Choice Awards at The Shrine Auditorium on August 10, 2014 in Los Angeles, California. (Photo by Jon Kopaloff/FilmMagic)

Nina Dobrev attends FOX’s 2014 Teen Choice Awards at The Shrine Auditorium on August 10, 2014 in Los Angeles, California. (Photo by Jason Merritt/Entertainment/Getty Images)

Nina Dobrev, Chace Crawford & Jessica Szohr, Nov. 27, 2014 (Courtesy of Instagram)

Nina Dobrev, Chace Crawford & Jessica Szohr, Nov. 27, 2014 (Courtesy of Instagram)

Nina Dobrev, Chace Crawford & Jessica Szohr, Nov. 27, 2014 (Courtesy of Instagram)

Nina Dobrev attends the ‘Let’s Be Cops’ Los Angeles Premiere held at the ArcLight Hollywood on August 7, 2014 in Hollywood, California. (Photo by Tommaso Boddi/WireImage)

Nina Dobrev attends the ‘Let’s Be Cops’ Los Angeles Premiere held at the ArcLight Hollywood on August 7, 2014 in Hollywood, California. (Photo by Tommaso Boddi/WireImage)

Nina Dobrev plays Giant Beer Pong with host Jimmy Fallon on August 5, 2014 (Courtesy of NBC)

Nina Dobrev during an interview with Host Jimmy Fallon on August 5, 2014 (Courtesy of NBC)

Nina Dobrev on August 4, 2014 in NYC (FameFlyNet)

Nina Dobrev on August 4, 2014 in NYC (SplashNews)

Nina Dobrev on August 4, 2014 in NYC (SplashNews)

Nina Dobrev on August 4, 2014 in NYC (Courtesy of Disney-ABC Domestic Television)

Nina Dobrev and Orlando Bloom attend the Playboy and A&E �"Bates Motel�" Event During Comic-Con Weekend, on July 25, 2014 in San Diego, California. (Photo by Jason Kempin/Getty Images for Playboy)

Nina Dobrev and Benjamin McKenzie Affectionately hug each other and leave Comic Con after party in a taxi in San Diego on July 26, 2014 (Pacific Coast News)

Nina Dobrev in Naeem Khan attends ‘The Vampire Diaries’ Press Line during Comic-Con International 2014 at Hilton Bayfront on July 26, 2014 in San Diego, California. (Photo by Mark Davis/Entertainment/Getty Images)

Nina Dobrev attends ‘The Vampire Diaries’ Press Line during Comic-Con International 2014 at Hilton Bayfront on July 26, 2014 in San Diego, California. (Photo by Mark Davis/Entertainment/Getty Images)

Norman Reedus and Nina Dobrev on the TV Guide Magazine Yacht, July 26, 2014, Comic-Con 2014 (Courtesy of Instagram)

Nina Dobrev, Ian Somerhalder and Paul Wesley on the TV Guide Magazine Yacht, July 26, 2014, Comic-Con 2014 (Courtesy of Instagram)

Nina Dobrev arrives at CraveOnline Presents: Crave Conquers The Con at USS Midway on July 25, 2014 in San Diego, California. (Photo by Robert Benson/Getty Images for CraveOnline)

‘Let’s Be Cops’ actors Rob Riggle, Nina Dobrev, Keegan-Michael Key and Damon Wayans Jr. get hands-on with Halo: The Master Chief Collection on Xbox One in the Microsoft VIP Lounge during Comic-Con on July 25, 2014 in San Diego, California. (Photo by John Sciulli/Getty Images for Xbox)

‘Let’s Be Cops’ actors Rob Riggle, Nina Dobrev, Keegan-Michael Key and Damon Wayans Jr. get hands-on with Halo: The Master Chief Collection on Xbox One in the Microsoft VIP Lounge during Comic-Con on July 25, 2014 in San Diego, California. (Photo by John Sciulli/Getty Images for Xbox)

Nina Dobrev for NYLON August Issue (Courtesy of NYLON)

Nina Dobrev for NYLON August Issue (Courtesy of NYLON)

Nina Dobrev arrives at the Versace show during Paris Fashion Haute Couture, July 5 (SplashNews)

Nina Dobrev, in Atelier Versace Fall 2014 dress, arrives at the Versace show during Paris Fashion Haute Couture, July 5 (FameFlyNet)

Nina Dobrev, in Atelier Versace Fall 2014 dress, arrives at the Versace show during Paris Fashion Haute Couture, July 5 (SplashNews)

Nina Dobrev enjoys an iced coffee from Starbucks as she steps out in New York City, New York on June 11, 2014 (FameFlyNet)

Nina Dobrev attends The CW Network’s 2014 Upfront party at Paramount Hotel on May 15, 2014 in New York City. (Getty)

Nina Dobrev attends The CW Network’s 2014 Upfront party at Paramount Hotel on May 15, 2014 in New York City. (Getty)

Ian Somerhalder & Nina Dobrev at the People’s Choice Awards on January 8, 2014 (Getty)

Nina Dobrev and Julianne Hough on January 9, 2014 (Courtesy of Instagram)

Nina Dobrev and Julianne Hough on January 9, 2014 (Courtesy of Instagram)

Nina Dobrev arrives at the 15th Annual Trevor Project Benefit held at Hollywood Palladium on December 8, 2013 in Hollywood, California. (Getty)

Nina Dobrev for ‘Cosmo’ Magazine, Dec. 2013. (Courtesy Of Cosmopolitan Magazine)

Nina Dobrev and Julianne Hough attend Cosmopolitan’s Summer Bash at Palihouse on August 10, 2013 in West Hollywood, California. (FameFlyNet)

Nina Dobrev and Ian Somerhalder attend the 21st Annual Elton John AIDS Foundation Academy Awards Viewing Party at West Hollywood Park on February 24, 2013 in West Hollywood, California. (Getty)

Nina Dobrev attents The Vampire Diaries 100th Episode Celebration on November 9, 2013 in Atlanta, Georgia. (Chris McKay/Getty Images for Warner Bros)

Nina Dobrev attents The Vampire Diaries 100th Episode Celebration on November 9, 2013 in Atlanta, Georgia. (Chris McKay/Getty Images for Warner Bros)

Nina Dobrev attend The Costume Institute Gala in New York City on May 6, 2013. (SplashNews)

Nina Dobrev in Donna Karan arriving at the 63rd Primetime Emmy Awards held at the Nokia Theatre in Los Angeles, CA on September 18, 2011. (SplashNews)

Nina Dobrev for ‘Cosmo’ Magazine, Dec. 2013. (Courtesy Of Cosmopolitan Magazine)

Nina Dobrev arrives at the Teen Choice Awards 2013 at the Gibson Ampitheatre on Aug. 11, 2013. (SplashNews)

Nina Dobrev & Mark Sailing (Courtesy Of Tyler Curtis/@tyliner)

Nina Dobrev (Courtesy Of Cosmopolitan Magazine)

Nina Dobrev (Courtesy Of Cosmopolitan Magazine)

Nina Dobrev (Courtesy Of Cosmopolitan Magazine)

Nina Dobrev at Variety Power of Youth held at Universal Studios Backlot in Universal City, California on July 27th, 2013 (FameFlyNet)

Nina Dobrev at Selena Gomez’s 21st birthday party at the Revolve Beach House in Malibu on July 27, 2013 (Courtesy of Instagram)

Nina Dobrev, Julianne Hough, Spencer Barnes (Makeup Artist), and Selena Gomez celebrated Selena’s 21st birthday at the Revolve Beach House in Malibu on July 27, 2013 (Courtesy of Twitter)

Nina Dobrev heads to the Convention Center during the Comic-Con International 2013 in San Diego. (PacificCoastNews)

Nina posted this image to Twitter on July 14, 2013. (Courtesy of Twitter/Instagram)

Is Nina the definition of a sexy singleton? (Courtesy Of Nylon)

Nina Dobrev (FameFlynet)

Nina Dobrev (FameFlynet)

Nina Dobrev on ‘Company Mag’s’ July 2013 cover (Courtesy of Company magazine)

Nina Dobrev (Courtesy of Instagram)

Nina Dobrev attends the Costume Institute Gala for the ‘PUNK: Chaos to Couture’ exhibition at the Metropolitan Museum of Art on May 6, 2013 in New York City. (Getty)

Nina Dobrev in Versace at ‘The Great Gatsby’ World Premiere (FameFlyNet)

Nina Dobrev at the Independent Spirit Awards

Nina Dobrev in Max Mara (Getty)

Nina Dobrev attends the John Varvatos 10th Annual Stuart House Benefit presented by Chrysler, Kids Tent by Hasbro Studios, at John Varvatos Los Angeles on March 10, 2013 in Los Angeles, California. (Getty)

Nina Dobrev attend the 21st Annual Elton John AIDS Foundation Academy Awards Viewing Party at West Hollywood Park on February 24, 2013 in West Hollywood, California. (Getty)

Nina Dobrev & Ian Somerhalder (Courtesy of Instagram)

Nina Dobrev arrives at DirecTV’s Super Saturday Night party on Saturday, Feb. 2, 2013 in New Orleans. (Invision/AP Images)

Nina Dobrev arrives at the 2013 Screen Actors Guild Awards at The Shrine Auditorium in Los Angeles, California on Jan. 31, 2013. (Invision/AP Images)

Nina Dobrev arrives at the 2013 Screen Actors Guild Awards at The Shrine Auditorium in Los Angeles, California on Jan. 31, 2013. (Invision/AP Images)

Nina Dobrev (Invision/AP)

Nina Dobrev and Ian Somerhalder attend the Critics’ Choice Movie Awards 2013 with Skinnygirl Cocktails at Barkar Hangar on January 10, 2013 in Santa Monica, California. (Getty)

Nina Dobrev (FameFlynet)

Nina Dobrev attend the Critics’ Choice Movie Awards 2013 with Skinnygirl Cocktails at Barkar Hangar on January 10, 2013 in Santa Monica, California. (Getty)

Nina Dobrev (Courtesy of Instagram)

Kristen Stewart, in Stella McCartney, attends the Costume Institute Gala for the ‘PUNK: Chaos to Couture’ exhibition at the Metropolitan Museum of Art on May 6, 2013 in New York City (Getty)