[Jason Binn, Christie Brinkley, Susan Lucci, Helmut Huber. All photos by ADRIEL REBOH for PMc] All stars were on deck Saturday afternoon as Niche Media's social king and queen Jason and Haley Binn hosted a party in Southampton to kick off the summer. Guests arrived stylishly to lounge, mingle, and sip cocktails under the sun in celebration of the Memorial Day Weeked that was already in full swing. Full-time Hamptonite Christie Brinkley joined Susan Lucci, Jill, Ally, Jonathon, and Bobby Zarin, Ramona Singer, James Lipton, Cristina Greeven Cuomo, Yigal Azrouel, Patrick McMullan

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...and a few party-goers hit up two different magazine parties in one day as AJ Calloway, Rochelle Aytes, David Chines, and Ariel Moses stopped by Haley and Jason's soiree before heading off to the Social Life Magazine party. More pics from this event below...

Ali Abernathy, Bradford Rand, Robert Dobson

Eric Gold, Carlos Rivera-Anaya

Geena Rocero, Haley Binn, Cece Binn

Renee Bluestone, Erwin Mensch, Loren Guttman

Yigal Azrouë, Richard Johnson, Allesandra Johnson, Sessa von Richthofen

Topher Grub, Tanya Ckereroc, Julianne ?, Michael Weinstein, Alan Lieberman

Jonathon Zarin, Allyson Shapiro Zarin, Jill Zarin, Bobby Zarin, AJ Calloway, Rochelle Aytes