Ace Young And His Abs Make Their Mark On Broadway

Who knew? Former American Idol finalist Ace Young has abs that could give The Situation a run for his money, RadarOnline.com has learned.

Ace, who was a top 10 finalist on season five of Idol, celebrated his 500th performance in the Broadway revival of Hair Friday night -- that's 500 times those abs were on display!

Diana DeGarma, also an Idol finalist, costars in the production, and none other than former judge Paula Abdul came out for the big party celebrating the 500th show milestone.