Robert Pattinson, Taylor Lautner, & Lily Collins Celebrate Kristen Stewart’s 21st Birthday!

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Kristen Stewart turned the big 21 over the weekend and had lots of reasons to celebrate! Aside from her birthday, Breaking Dawn officially wrapped Saturday and the stars of the Twilight Saga were ready to let loose.

Despite earlier reports, Kristen and boyfriend Robert Pattinson did stop by the wrap party at Rockwell’s Bar & Grill in Squamish BC. And it sounds like Rob and Kristen spent the entire day together!

Popsugar has some exclusive photos of Rob, Kristen, Taylor Lautner, and his girlfriend Lily Collins fooling around after they wrapped, all pictured taking turns on Taylor’s motorcycle. Sources confirm to Celebuzz that there was a little bash there on site as well as a party for the crew at Rockwell’s.

Although the photos are blurry you can see Rob and Kristen showing some PDA in a lightened picture here, nuzzling, hugging, and also kissing. Too cute! While some of you may still need pics to prove it, our on set source say the pictures shouldn’t come as a surprise.

“Rob and Kristen are affectionate, it’s not like they try to hide their relationship anymore from their friends. They just aren’t obnoxious about it and don’t need to do it for the press,” the insider tells Celebuzz.

Clearly by the photo quality you know Pattinson, Stewart, and the gang weren’t anticipating their party getting crashed by a far away paparazzi. Nevertheless, our insider says that everyone was “in great spirits” for Kristen’s birthday and the wrap party.

As we have said before, the Twilight cast gave their approval on Lautner’s girlfriend Lily Collins (Laylor?) so we love to see them hanging out with Rob and Kristen!

Sources also tell Celebuzz that Stewart and Pattinson left the set together where we assumed they went home, but new reports say they were inseparable at the party at Rockwell’s later. Love it!

Sounds like they had a fun birthday weekend! Now that BD is almost finished, here’s hoping Kristen makes the trek to Rob’s Water For Elephants premiere next week.