The soulful Grammy Award winner took to Twitter seeking the former first family’s forgiveness for being a “terrible guest” by posting pictures and videos of Barack Obama’s massive 60th birthday party in Martha’s Vineyard on Aug. 7.

The soulful Grammy Award winner took to Twitter seeking the former first family’s forgiveness for being a “terrible guest” by posting pictures and videos of Barack Obama’s massive 60th birthday party in Martha’s Vineyard on Aug. 7.