In the Season 23 finale of "
The Simpsons," (Sunday, May 20 at 8 p.m. ET on Fox)
Lady Gaga comes to Springfield to help Lisa with her self-esteem in an episode titled "Lisa Goes Gaga."In two preview clips released by Fox, the pop icon puts on a concert (clad in meat-inspired hummingbird and Grammy dresses) urging Springfield's citizens to appreciate each other for what makes them unique. She sings: "When they're young, all little monsters ...