The birthday girl held hands with Will Smith and Jada Pinkett Smith's 14-year-old son (don't get any ideas, she says he's like a "little brother"), laughed it up with Kylie Jenner, and clearly ...

The couple celebrated Zaya's birthday ... Other photos show Union and Zaya posing together throughout the years, wearing matching sweaters and posing outside. "17 🖤 @zayawade," Union captioned ...