Adele Laughs Off 'Embarrassing' Grammy Performance on 'Ellen'

Adele admitted she “was so embarrassed” by her performance at the Grammys — which was marred by sound issues — but did so with her trademark cackle during an interview on The Ellen DeGeneres Show Thursday.

“I woke up the next morning to people in England being like, ‘We still love you, don’t worry,'” the 25 singer…