Beyoncé’s performance at President Obama’s inauguration was widely praised, but questions quickly began circulating about one detail viewers couldn’t quite agree on. Weeks later, the singer addressed the controversy herself — and explained why she made the decision that sparked a nationwide debate.

Beyonce admits she lip-synched anthem

Beyonce sings the US National Anthem as Barack Obama listens.

Beyonce performs the national anthem during Barack Obama’s inauguration. (Reuters: Jim Bourg)