White Party

Tonight, the White House turns into Coliseum for the "2010 White Affair" (239 East Montauk Hwy. Doors open at 10 p.m.).

Tennis Family Day

A celebration for legend Nick Bollettieri will be in full swing (sorry, we had to) at the Ross School Tennis Center on Saturday. Expect a crew of celebs to honor Bollettieri, who trained 10 top world class players, including Andre Agassi, Monica Seles and Venus
and Serena Williams. The day will begin with a VIP meet-and-greet reception at noon. (18 Goodfriend Dr., East Hampton, 631-907-5000).

By the sea

Veronica Brett, the new luxury swimwear line for breast cancer survivors, is holding
its (shocker!) open-to-the-public launch party on Saturday from 2 to 6 p.m. at the
Elie Tahari boutique in East Hampton.

‘In Fashion: Portraits of Iconic Designers’

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We can’t wait to check out portrait photographer Lucille Khornak’s exhibition that includes photos of Giorgio Armani, Geoffrey Beene and Andre Courreges. The gallery will open this weekend, with an invite-only reception from 5 to 7 p.m. Sunday. (2400 Montauk Hwy., Bridgehampton)

The Boathouse Restaurant & Lounge

If there’s one spot on our Hamptons radar this summer, it’s the Boathouse. Both a waterfront restaurant and a late-night lounge, the space is being helmed by Hamptons restaurateur Michael Gluckman and Matt Levine (LES’ The Eldridge). Every night this weekend, expect the house to rock with a roster of DJs (Francesco Civetta and the
Chainsmokers on Friday, Mia Moretti on Saturday and Eldridge mainstay Mel Debarge on Sunday). And we just got word that Kelly Killoren Bensimon made a reservation for Sunday night. (39 Gann Rd., East Hampton)

Miracle House 20th Anniversary Gala

No word on whether she’ll be singing her, er, hit “Money Can’t Buy You Class,” but “Real Housewife” LuAnn de Lesseps and Bravo host Andy Cohen are set to co-host this gala Saturday, with a performance by Thelma Houston. Bridgehampton Tennis and Surf Club (231 Midocean Dr., 631-537-1180)

At Axe

Bryan Greenberg, from HBO's hit series “How to Make It in America,” will be partying at celeb favorite Axe Lounge. Last summer, everyone from Rihanna to Kellan Lutz stopped
by.

Over at Lily Pond

The East Hampton club Lily Pond opens Saturday night with the music of DJ and producer Jared Dietch, also known as the Camel Rider. On Sunday, DJ and producer Paul Oakenfold spins.

'Social Life'

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Actor Matt Lanter of The CW's "90210" will be in Southampton Saturday to kick off Social Life Magazine's Memorial Day issue. He will be joined by Sara Canning of The CW's "The Vampire Diaries."