Kaia Gerber, 21, and her boyfriend Austin Butler, 32, share a sweet embrace after attending a private party in Malibu

Miley Cyrus the Maid of Honor! Singer looks on as mom Tish marries Prison Break star Dominic Purcell in Malibu - after one year of dating and THAT shock divorce with Billy Ray Cyrus

Austin Butler Holds Hands With Kaia Gerber on His 32nd Birthday: Photo

Ashley Tisdale Calls Austin Butler Her "Twin Forever" in Birthday Post