First Lady Michelle Obama kicked off the next phase of her and President Obama's Let Girls Learn campaign to educate the #62milliongirls globally who don't have access to education at this week's SXSW festival. She combined her keynote address on female empowerment with a panel discussion including Queen Latifah, rapper Missy Elliott, actress Sophia Bush and songwriter Diane Warren, and the release of Warren's single "This is for My Girls," to raise money for her cause.