It's hard to keep a secret in Hollywood, and although Amber Heard was seen trying to cover up a diamond ring on her left hand on Monday, she doesn't need to hide it anymore - People has confirmed that she's engaged to Johnny Depp. "Of course they couldn't be happier to be engaged and excited to share the rest of their lives together," a source tells People, adding that Heard has "told close friends" the news. "Amber has really taken well to the kids and really enjoys spending time with them. And she's even taken Lily shopping on her own for some bonding time.