President Barack Obama and First Lady Michelle Obama attend the Interfaith Service for victims of the Boston bombings.
Anthony Mackie attends Kiehl's Launches Environmental Partnership Benefiting Recycle Across America in Santa Monica, California.
Lianne La Havas attends the Gary Clark Jr. concert at The Roxy Theatre in West Hollywood, California.
LL Cool J attends The Kaleidoscope Ball in Beverly Hills, California.
Nana Meriwether attends The Breast Cancer Research Foundation's 2013 Hot Pink Party at The Waldorf=Astoria in New York City.
Gary Clark Jr performs at The Roxy Theatre in West Hollywood, California.
Veronica Webb attends the HRC Marriage For Equality USA Celebration in New York.