Selena Gomez - Justin Bieber & Selena Gomez Couldn't Take Their Eyes Off Of Each Other At Friend's Birthday Party!An eyewitness tells that Justin Bieber and Selena Gomezshe may have been texting each other while at the party!Justin Bieber brought Selena Gomez along with him to attend his tour mate Jessica Jarrell's sweet six birthday party at the Moonlight Rollerway in Glendale, Calif. on Jan. 15. Although Justin Bieber and Selena Gomez tried to play coy, the chemistry between them was obvious!And although the couple (justin Bieber and Selena Gomez) interacted, they "avoided Pda since the place was packed and respectfully declined taking pictures together, but took as many photos separately that were requested."Justin Bieber spent a lot of time chatting with Cody Simpson and the birthday girl while Selena spent her time with many of the girls who were there, speaking about "make-up and other girly stuff". But despite their conversations, Justin Bieber and Selena Gomez were texting on their phones, and our source thinks they were texting with each other! The couple even left the party at the same time! "It was obvious they wanted to spend time together," reveals eyewitness.BTW, In January 2011, Selena Gomez began receiving death threats via Twitter from fans of Justin Bieber after pictures surfaced of the two kissing. Gomez however remained coy about their relationship stating, "We just like to hang out. They shouldn't be stopping us from going out to dinner and things like that".