Reunited and it feels so good.

Yes, former American Idol judges Simon Cowell' and Paula Abdul were back together Sunday at the Los Angeles auditions of their latest project, the X-Factor.

The British music mogul and Straight Up singer thrilled fans in attendance with a public kiss.

Abdul later tweeted, "Simon & I got over the honeymoon period very quickly! Back to our good old relationship! :)"

The X Factor -- which has been a hit in the UK for several years, spawning pop star Leona Lewis -- hits U.S. airwaves this autumn.