Selena Gomez: How She Cried When Justin Bieber Showed Up To Her Party

View Gallery 76 Photos.

It turns out Selena couldn’t fight back the tears when Justin walked in to her 21st birthday bash on July 27. Do you think she started to cry because he was carrying a single red rose with him?

Selena Gomez claims she’s single but it definitely appears that she and Justin Bieber are back on! The newly-turned 21-year-old had a mega birthday party at Malibu’s Revolve Beach House on July 27 and her on-again-off again boyfriend caused quite a stir when he showed up to the party in his leopard Audi R8. A new report claims that Selena started to cry when he walked in.

Selena Gomez Breaks Down Crying When Justin Bieber Shows Up To Her Party

Selena was partying with A-list guests like Julianne Hough and Nina Dobrev when Justin showed up to the party. People magazine is reporting that Justin was carrying a single red rose with him and that when Selena caught her first glimpse of Justin, she lost it!

“[Selena] started to cry,” a source says. “Justin and Selena went into the house to talk and were inside for a long time before sneaking out together.”

It turns out they were attached at the hip all night and they even left together around 2 a.m.

Selena & Justin: Cute PDA At Birthday Party

HollywoodLife.com told you that Justin was very caring and showed everyone how protective he is of her at the party, where guests ate CRUMBS cupcakes, that icing to match the party’s theme colors –red, orange, yellow and purple.

“He was being helpful,” an insider tells us. “Once people didn’t really give him any crap and saw that he was being helpful the PDA got more intense.”

Everyone was wondering if Justin would fly across the country to see Selena. He was in Toronto, Canada the day before her party and then had to be in Detroit, Michigan on July 28 for his concert. But it looks like Justin ended up making time for his very special girl.

We’re so happy that Selena got a chance to spend her big night with Justin. Are you surprised that she started to cry when she saw him?