The X Factor judges (from left): L.A. Reid, Britney Spears, Demi Lovato and Simon Cowell
Wednesday night marked the first live broadcast of The X Factor
's season 2 – and the anticipated debut of new hosts Khloé Kardashian Odom
and Mario Lopez
It was also a chance to see how the first-time judges, a "nervous" Britney Spears
and Demi Lovato
, would do on live TV, when anything can happen.
And the night went off without a hitch! Responding to PEOPLE's live Tweets, here's your reaction to the night's biggest moments.