'The Host's Leaderboard': Tom Bergeron on his new haircut, throwing to Diane Sawyer, and Mark Ballas' 'misconstrued' Monday night hand gesture

My Week 7 chat with Dancing With the Stars host Tom Bergeron is chock full o’ gems:

• On his hair: “I don’t mind if it’s graying, as long as it’s staying.”
• Tom and the DWTS production staff have nothing better to do than stand around and talk about the brilliance of EW.com’s Hidden Gems. How awful!
• When throwing to Diane Sawyer — with whom he has a strictly flirtatious professional relationship thanks to a Good Morning America stint — Tom had to make a conscious effort to tone down the jauntiness and “maintain a certain level of ballroom gravitas.”
• Tom believes Mark Ballas’s explanation of Monday’s “wanker” hand gesture: It was intended for his dad, Corky, as a “You gotta roll the dice with the choreography” inside joke. But as Tom counseled Mark after the show, “If that was a gesture of self-gratification, you’re really bragging about your size, because that was WAY off to the side.”

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More on ‘Dancing With the Stars’:

Last week: Tom on Hanson, ‘bitch’-y Bruno

‘DWTS’: Your Hidden Gems of the Week!

All of Annie’s ‘DWTS’ episode recaps