Selena Gomez turns 33 on Tuesday, July 22, but she gathered up her crew a couple of days early for a weekend bash that appeared to include a balloon pit, some dancing and an amazing Los Angeles rooftop view. Oh yeah, and a Taylor Swift cameo. Check out her Instagram photo dump:

Taylor Swift is reportedly reshaping her inner circle, allegedly excluding Blake Lively from Selena Gomez's birthday celebration. Sources suggest Swift orchestrated Lively's absence due to the latter's legal issues with Justin Baldoni,

Sources told Rob Shuter’s #ShuterScoop that Blake Lively was deliberately cut from the guest list for Gomez’s all-out, sequins-and-satin 33rd bash. “This wasn’t some innocent oversight,” one insider said. “It was personal.” And that personal reason? Taylor Swift.

The besties were seen posing together in a pool of balloons in a carousel shared by Gomez via Instagram Sunday.