Dj Kaled & Nicki Minaj in 'Take It To The Head' Video(Courtesy of Young Money Records)

Selena Gomez performing on 'Live with Kelly & Michael' (Courtesy Of ABC)

Selena Gomez performing on 'Live with Kelly & Michael' (Courtesy Of ABC)

Selena Gomez performing on 'Live with Kelly & Michael' (Courtesy Of ABC)

Selena Gomez performing on 'Live with Kelly & Michael' (Courtesy Of ABC)

Selena Gomez talking with 'Live with Kelly & Michael' (Courtesy Of ABC)

Selena Gomez talking with 'Live with Kelly & Michael' (Courtesy Of ABC)

Selena Gomez talking with 'Live with Kelly & Michael' (Courtesy Of ABC)

Selena Gomez talking with 'Live with Kelly & Michael' July 26, 2013 (Courtesy Of ABC)

Selena Gomez talking with 'Live with Kelly & Michael' July 26, 2013 (Courtesy Of ABC)

Selena Gomez talking with 'Live with Kelly & Michael' (Courtesy Of ABC)

Selena Gomez performing on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez performing on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez performing on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez performing on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez performing on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez performing on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez performing on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez performing on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez receiving a cake for her 21 birthday on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez receiving a cake for her 21 birthday on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez receiving a cake for her 21 birthday on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez receiving a cake for her 21 birthday on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez receiving a cake for her 21 birthday on 'Good Morning America' (Courtesy Of ABC)

Selena Gomez receiving a cake for her 21 birthday on 'Good Morning America' (Courtesy Of ABC)

After a heartfelt memorial service earlier in the day at Paramount Pictures for Corey Monteith, members of the cast gathered for a bite to eat at A.O.C. restaurant. Members including Kevin McHale, Dianna Agron, Darren Criss, Jenna Ushkowitz, and Harry Shum Jr. gathered after an emotional day remembering their dear friend and cast member. (GSI)

Flowers, notes and candles lay outside the Paramount Studios in Los Angeles as a private memorial is held for the late "Glee" actor, Cory Monteith. Cory died from a combination of heroin and alcohol in Vancouver and was cremated on July 16th. (GSI)

After a heartfelt memorial service earlier in the day at Paramount Pictures for Corey Monteith, members of the cast gathered for a bite to eat at A.O.C. restaurant. Members including Kevin McHale, Dianna Agron, Darren Criss, Jenna Ushkowitz, and Harry Shum Jr. gathered after an emotional day remembering their dear friend and cast member. (GSI)

Jenna Ushkowitz at A.O.C. restaurant, after a heartfelt memorial service earlier in the day at Paramount Pictures for Corey Monteith. (GSI)