The 2015 MTV Video Music Awards is being presented live from Los Angeles at the Microsoft Theater. But before the show gets underway, the hottest superstars in hip-hop and R&B hit the red carpet to show off their best ensembles.
For Mother's Day today, several of our favorite stars -- including Demi Lovato, Channing Tatum, Rihanna, Miley Cyrus, Justin Bieber, Britney Spears, Lucy Hale, Kim Kardashian -- tweeted Happy Mother's Day wishes to their moms and moms around the world, and also shared some private photos with their moms. Here are some of our favorites: