Jenna Jameson, the porn queen turned actress and best-selling author, will host the 10th Annual Diamond G-String Contest on July 25 at Delilah's (100 Spring Garden).

The event starts at 7 p.m. and features more than $10,000 in prizes for contestants, many of whom spend months preparing elaborate routines.

Jameson, who is married to UFC fighter Tito Ortiz, is retired from porn and from stripping, though she served as a Wingette in February's Sportsradio 94 WIP's Wing Bowl XX on behalf of the Gold Club (1415 Chancellor).

Out and about

Wife Gwen Stefani was nowhere to be found, but her son Kingston, 6, sat front and center when his father,Gavin Rossdale, and his band, Bush, played Saturday at Revel in Atlantic City.

Meanwhile, Yes dined at Carmine's at the Tropicana while performing at the Atlantic City hotel. Alan White and Chris Squire broke bread one night with the band's new singer, Jon Davison, while Steve Howe dined alone the night before.

Prof off to Olympics

West Chester University professor Margaret Ottley is off to London on Tuesday to help the Trinidad and Tobago track-and- field Olympic team.

Ottley, an associate professor of sports psychology and kinesiology, is a native of Trinidad and Tobago and helped its teams at the 2004 Olympics in Greece.

She also worked with the USA track-and-field team at the 2008 Beijing Olympics. Ottley will return home Aug. 12.

On the mend

Best wishes to 98.1 WOGL's Joe Mama, who was hospitalized over the weekend following an accident at home.

The station is optimistic he will be back on air soon.

The still-recuperating reformed playboy Harry Jay Katz is upset that he will be unable to travel to New England this weekend for daughter Jessica Katz's wedding to a fellow schoolteacher, Mark Mazzenga.

Jessica's mother is former Daily News reporter Andrea Diehl. Katz remains at Temple University Hospital, where he received emergency abdominal surgery two weeks ago.

'MGK seeks House Band

102.9 WMGK is searching for a new house band. The station is holding five weeks' worth of concert competitions to pick a group that will perform at all of its events for a year, including the annual Let Freedom Rock Festival in New Jersey on July Fourth.

The first show/competition is July 26 at Rebel (100 Spring Garden), with others set for Aug. 2 at Kildare's (4417 Main) in Manayunk; Aug. 11 at Mike's Famous Harley-Davidson in New Castle, Del.; and Aug. 16 at Xfinity Live. Finals will be held Aug. 23 at Cavanaugh's River Deck (417 N. Columbus).

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