Lady Gaga stole the show at the Decade of Difference concert at the Hollywood Bowl on October 15 with her tribute to Bill Clinton and his family. She rocked the crowd with her 2011 hit "Born This Way," which, appropriately for the evening, is a tribute to freedom and self-empowerment. But Gaga made it personal by working in a few "Happy Birthday" wishes to the former president. As always, Gaga's performance was highlighted by her attire, as she wore a blonde wig to channel Marilyn Monroe, who once sang a cheeky and sensual version of "Happy Birthday" to President John F. Kennedy. But as always with Lady Gaga, there were more jaw-dropping moments to come.