Unforgettable Lessons 6 Superstars Learned from Their Moms

In celebration of Mother's Day, we look back on those heartwarming moments when some of Oprah's most famous guests—Beyoncé, Salma Hayek-Pinault, Justin Timberlake, Charlize Theron and more—opened up to Oprah about the most important lessons they learned from their moms.