Forgive me I was a terrible guest: Singer Erykah to Obama after sharing his party pics

American singer Erykah Badu has apologised to former US President and First Lady Barack and Michelle Obama after she shared videos and pictures from Barack Obama's 60th birthday party recently. "Please forgive me 4 being the "terrible guest" at such a sacred event for your family. I was so inconsiderate," she tweeted. Videos showed Obama dancing with guests without mask.