Chatterbox: Naomi Watts, Donna Karan And More Toast To The Sag Harbor Costa Brazil Launch, While "Summer House" Celebrates Hedge Club

On Friday, Hedge Club in Southampton celebrated its grand opening with a party hosted by Sirius XM’s Astra On The Air, with a special guest DJ set by Summer House star Hannah Berner. She was joined by several of her co-stars from the Bravo hit show, including Paige DeSorbo, Amanda Batula, and Kyle Cooke. On Saturday, Hampton Water co-founder and son of Jon Bon Jovi, Jesse Bongiovi stopped by.

Paige DeSorbo, Hannah Berner, and Amanda Batula at Hedge Club. (Photo: J.VanderWatt for Rob Rich/www.societyallure.com)

The launch of Costa Brazil at Onda Beauty’s Sag Harbor store was celebrated on Saturday by Onda Beauty co-founder Naomi Watts, Costa Brazil founder Francisco Costa, and Onda Beauty co-founder Larissa Thomson, as well as Donna Karan, Gaby Karan, Cristina Cuomo, Bobbi Brown, Jason Weinberg, Ben and Orson Cummings, Andrew Saffir and Daniel Benedict, Carter Burden, Eve MacSweeney, Merritt Johnson, Kelly Klein and Nick Manifold, Michel Pratte and Tanya Taylor, Malcolm Carfrae, John Wattiker, Tony Melillo, Lance Miletich and more. The evening featured cocktails by 21 Seeds Tequila and Cloud Water, bites by Gaby Karan’s Tutto il Giorno, portraits by Justin Teodoro and special mini-Reiki massages.

Sailor Brinkley-Cook was all smiles at The Surf Lodge on Saturday. (Photo Credit: Madison McGaw/BFA.com)

On Saturday, Ray-Ban presents Lykke Li at The Surf Lodge brought out Sailor Brinkley-Cook, Victoria’s Secret model Elsa Hosk and boyfriend Tom Daly, Andrew Warren, Caroline Hjelt and Aino Jawo, of the duo Icona Pop, Maxwell Osborne, and many more. On Sunday, the Montauk hotspot hosted the Absolut Elyx Third Annual Swedish Midsummer gathering, with Bea Miller, Tove Styrke and Icona Pop.

Bea Miller owns the stage while performing at The Surf Lodge this weekend. (Photo: Madison McGaw/BFA)

A Saturday Hamptons book party for “Boom: Mad Money, Mega Dealers and the Rise of Contemporary Art” , held at a private residence in Southampton, brought out author Michael Shnayerson, Greg Kelly, artists April Gornik, Eric Fischl, and Donald Sultan, writer Ken Auletta, and many more.

Singer/songwriter Tove Styrke strikes a pose while performing at The Surf Lodge in Montauk. (Photo: Madison McGaw/BFA)

Supermodel Christie Brinkley was among attendees that enjoyed a Pershing Cocktail Reception aboard the Pershing 9X in Sag Harbor on Saturday.

Lykee Li performs her new album ‘Still Sad Still Sexy’ at Montauk hotspot, The Surf Lodge, this past weekend. (Photo: Madison McGaw/BFA.com)

Wings Over Haiti hosted its 3rd annual “Hamptons Artists for Haiti” fundraiser in support of the non-profit’s second school, which will be located in Ranquitte, Haiti. The Saturday soiree, held at the East Hampton Airport, brought out Donna Karan, GE Smith, Taylor Barton, and many more.

Victoria’s Secret model Elsa Hosk and boyfriend Tom Daly get cozy at The Surf Lodge this past weekend. (Photo: Madison McGaw/BFA.com)

Robert Downey Jr. and his family dropped by Rowdy Hall in East Hampton on Sunday to enjoy lunch. The Avengers: Endgame star was spotted noshing on a burger.

The Surf Lodge Culinary Director, Chef Shaun Hergatt, hangs out by the water on Sunday. (Photo: Madison McGaw/BFA )

Mitch Modell, CEO & President of Modell’s Sporting Goods, celebrated his birthday at Blu Mar Southampton alongside Rosanna Scotto, Matt Lauer, Charlie Rose, Jill Zarin, Donny Deutsch and Ramona Singer. Partygoers enjoyed performances by belly dancers, Brazilian samba dancers, tarot card readers, fire dancers and a live Cuban band.