DINING BY DESIGN
The Taittinger family and Elle Decor are hosting a well-designed, bubbling event to benefit the Design Industries Foundation Fighting AIDS (DIFFA). The night begins, of course, with a champagne reception, and follows with dinner and dessert before the partying really takes off. Plan a great evening, sponsored by Giorgio Armani, Ralph Lauren, David Rockwell, and Sir Terrance Conran. 6:30 pm in Wainscot. Call 631-479-0010.

THE ORCHID BALL
The Seventh Annual Orchid Ball honors Melissa Cohn of Manhattan Mortgage. Guests are promised a super evening of cocktails, dinner, dancing, entertainment, and a live and silent auction run by Sotheby’s own Benjamin Doller. The event is chaired by Robin Neimark Seegal; and co-chaired by Jennifer D’Auria, Lisa Kerkorian, and Jane McEvoy Petrycki. 7 pm at Villa Maria in Watermill. Call 631-267-2734.

FIREWORKS ON THE HARBOR
A garden party at the home of the Luly and Tony Duke will raise money for summer camp operated by Boys and Girls Harbor. Bring the kids. George Plimpton will play MC for the evening, which begins at 7 pm with a picnic buffet and climaxes with Grucci fireworks at 9:15 pm. Springy Banks Road in East Hampton. 631-324-4433.


CARNIVAL SHOPPING
Come shop for a good cause! Join hosts Donna Karan and InStyle magazine at a private estate for the Sixth Annual “Super Saturday,” which benefits the Ovarian Cancer Research Fund. This child-friendly event includes a carnival to guarantee your little ones a great day. So, while your children are being entertained, indulge your shopping passion with designer clothes at garage sale prices. 1-6 pm in Watermill. Call 212-268-1205.

BIDDING AT BAY STREET
Join celebrity auctioneers at this summer’s Gala Benefit for the Bay Street Theatre. This glamorous event includes dinner and dancing among celebs like Alec Baldwin, Roy Scheider, and Julie Andrews. 6:30 pm in Sag Harbor. Call 631-725-0818.



TAKE YOUR VUITTON TO WATERMILL
Robert Wilson hosts the Annual Watermill Center Summer Benefit, sponsored by Louis Vuitton, showcasing the talented work of new creative and performing artists. The spectacular event features dancing, entertainment, and live and silent auctions. Mingle with celebs, artists, and designers. 6 pm in Watermill. Call 212-253-7484.

SPARKLING GALA
Join Vera Wang and Kathy Hilton at the “Sapphire Ball,” which benefits Southampton Hospital’s Department of Emergency Medicine. David and Julia Koch and Ann R. Grimm chair, and Kathryn Cowles and Barbara and Alan Glatt co-chair. After dinner, dance and enjoy meeting old friends. 7 pm in Southampton. Call 631-726-8700.


GUILD HALL OF EAST HAMPTON
This year’s Guild Hall Summer Benefit is being held at a private estate. 6 pm in East Hampton. Call 212-344-8420.


CELEBRITY ART
Celebrity artists including Tony Bennett, Louise Bourgeois, and Eric Fischl are contributing works of art on paper, canvas, sculpture, and in multimedia for auction. Kim Cattrall is honorary chair of the Artists Against Abuse event benefiting The Retreat. Cocktails and hors d’oeuvres will be served at the Channing Daughters Winery. 5:30 pm in Bridgehampton. Call 631-329-4398.


HUSH HUSH
Kate Capshaw and Steven Spielberg host an evening to benefit the Shoah Foundation. “Evening in the Hamptons” takes place at a private estate in East Hampton. Call 212-245-6570, ext. 26.


BATTER UP!
Get out your baseball togs for the Artists and Writers Celebrity Softball Game. Practice begins at 1 pm, and the thrilling game follows at 3 pm in Herrick Park, East Hampton. Call 631-725-1294.

BAHAMA BOW WOW
Come to a private estate to attend the Bahama Bow Wow Dinner Dance, which benefits the Animal Rescue Fund (ARF). The event, co-chaired by Debbie Bancroft, Missy Hargraves, Julie Kammerer, Sandra McConnell, Katharina Otto-Bernstein, and Tony Urrutia, honors Alec Baldwin and the Humane Society of Grand Bahama. Meet your fellow animal lovers, enjoy a live auction, and maybe win a fabulous prize. Expect cocktails, dinner, and dancing worthy of testing out those fabulous new Jimmy Choo shoes! 6 pm in Southampton. Call 631-537-0400.


THE PALETTE KNOWS
If you know your reds from your whites, and your cabernets from your chardonnays, you’ll know enough to love this grand night of “Great Chef’s Wine Tasting.” Dinner and auction follow this smooth and elegant taste experience at the Hampton Classic Showground. 5pm in Bridgehampton. Call 631-477-8493.


THE HAMPTON CLASSIC
Don’t even think about missing the Hampton Classic Horse Show! It runs through August 31st, and its proceeds benefit several Hamptons charities. From 8:30 am till 5:00 pm at the Bridgehampton Show grounds in Bridgehampton. Call 631-537-3177.


LAST CHANCE!
See those familiar Hamptons faces for one last rendezvous among your best of friends before summer fades to fall. The “End of the Season Cocktail Party” for the Southampton Historical Museum takes place at the Rogers Mansion. 6 pm in Southampton. Call 631-283-2494.