Gigi Hadid Has Fun Celebrating Kylie Jenner's 18th Birthday With Boyfriend Joe Jonas!

Gigi Hadid covers up her face with her hair while heading out of Bootsy Bellows behind boyfriend Joe Jonas on Sunday evening (August 9) in West Hollywood, Calif.

The cute duo partied with a ton of stars that night for Kylie Jenner‘s big 18th birthday.

“Happy birthday my lovey @KylieJenner so fun celebrating,” Gigi later tweeted.

In case you missed it, watch Gigi explain how she’s kind of related to Kylie and Kendall Jenner!

FYI: Gigi is wearing a Bossa tank top.

For 35+ pictures inside of Gigi Hadid and Joe Jonas at the bash, head over to