Stars have been everywhere this week. In L.A., Victoria Monét and Sophia Bush attend a Mother's Day charity event in L.A.

John Krasinski, Sarah Snook & Matt Damon make a Broadway appearance in N.Y.C., plus Billie Eilish, Sarah Paulson and more.

Buffy the Vampire Slayer co-stars Alyson Hannigan and Sarah Michelle Gellar reunite at the Sirius XM studios in New York City ...