CELEBRATIONS: That was David Hasselhoff, former "Baywatch" actor (and cameo player in "The SpongeBob SquarePants Movie") swimming with his daughter at Waimea Falls last week. He looked happy, healthy and relaxed, Waimea staffers said. Hasselhoff renewed vows with Pamela Bach at Waimea a few years ago. Now they're going through messy divorce proceedings, she claiming spousal abuse, he alleging drug abuse. ...

It's no rumor: Mick Fleetwood, the Fleetwood Mac performer and sometimes Maui resident, joined Hapa on "talking drums," driving the crowd wild at a recent show at the Maui Arts & Cultural Center. ...

Naveen Andrews of "Lost," girlfriend Barbara Hershey ("Hannah and Her Sisters"), and a passel of kids were happy family at Town on Thursday. ...

HERE 'N' THERE: Andrew Meader, a mover and shaker of the Hawai'i Arts Season, dons a theatrical hat again this fall when he directs Manoa Valley Theatre's "Urinetown" musical.

Hawai'i's cultural smorgasboard has been getting national exposure via recent articles in the Los Angeles Times and San Francisco Chronicle. ...

Effective May 1, Mathias Maas, former Honolulu Theatre for Youth stage manager, will be associate producer at Manoa Valley Theatre. Maas succeeds Karen "Bree" Bumatai, who joins Jon Brekke as a production coordinator at Oceanic Time Warner Cable. The announcement was made at MVT's fundraiser, which saluted producing director Dwight Martin for his 25 years at the helm. Keoki Kerr and Cathy Foy's tribute included a parody of Martin's "M. Butterfly" performance ...

Cheryl Flaharty, artistic director of IONA Contemporary Dance Theatre, gave high-end donors a preview of "Electric Blue" — which premieres Friday through Sunday at Hawai'i Theatre — then lunched at the Grand Cafe with donor Harry Kasanow and dancer David DeBlieck. ...

Maestro Matt Catingub of the Honolulu Symphony and entertainer Keali'i Reichel have been off to Japan for a Tokyo Philharmonic gig. ...

Loose Screws, the local improv group of "Screwbuki" success, returns to the Chicago Improv Festival this year. Leeward-based On the Spot, a punk-style improv combo, makes its festival debut, too.

When in Rome recently, photog Gene Allen and singer Rex Nockengust, who also are partners in the Beach Glass Bingo jewelry designs, encountered a poster promoting the Punahou Chorale's Italian concerts. Turns out that Punahou junior Kainoa Goo — who, as a youth, played Young Patrick in a Diamond Head Theatre production of "Mame," in which Allen co-starred — was in Rome with the chorale. Recently, Kainoa took in the Mamiya Theatre launch of "Pippin" since he'll take the title role when Punahou does "Pippin" next year. Nockengust, meanwhile, has added "Pippin" tunes to his weekend shows with keyboarder Don Conover at Shanghai Bistro.

WHO'S NEWS: Bruce Cohn, manager of the Doobie Brothers and owner of BR Cohn Winery, will be here with son Dan for some winemaker dinners. Bruce attends a private dinner Friday at the Pacific Club, while Dan tends to a HASR Wine Co. public event at the Grand Cafe. They then head for the Big Island and dinners Sunday at Mauna Lani, Monday at Waimea Ranch House and next Tuesday at MIXX Bistro Bar.

SORRY, NO DOOBIE VIBES AT THESE EVENTS. ...

To clarify, the Lahaina Club of O'ahu presented the event at the Royal Lahaina that Camile Velasco performed at recently; it was linked to but was not officially a Lahainaluna High School 175th anniversary event. Keoki Kahumoku, not George Kahumoku Jr., performed, along with Peter de Aquino. We were given erroneous information. ...

And that's Show Biz. ...

Show Biz is published Tuesdays and Thursdays. Reach Wayne Harada at 525-8067, wharada@honoluluadvertiser.com or fax 525-8055.