Jason Sudeikis moves on from January Jones, onto Heather Graham at premiere

Jason Sudeikis is on the prowl. The newly single"Saturday Night Live"cast member, who reportedly just split from"Mad Men"starJanuary Jones, spent nearly an hour hitting onHeather Grahamat the premiere of IFC's"Portlandia"at Edison Ballroom on Wednesday night. Graham, who we hear has split from her beauYaniv Raz, found the actor relatively amusing, but after a male friend of the"Hangover"hottie interruptedSudeikis' game, the funny man moved on to a redhead.

"Portlandia"starFred Armisenand his"SNL"co-starAbby Elliotdid nothing to put rumors of their relationship to rest. The two sat together and periodically smiled at each other during the show's screening. They also stuck close together during a performance later that night by The Thermals. At one point, 44-year-old Armisen even kissed the wall next to where Elliot, 23, was dancing wildly. We won't ask.

Birds of a feather...

Call them TheLeague of Extraordinary First Children: LBJ daughterLynda Bird JohnsonRobb attended the opening night of the American Antiques Show at theMetropolitan PavilionWednesday night, where she told us that a number of U.S. Presidents' kids stay in touch by email and phone."We try to keep up,"said Robb, who's particularly"fond"of Julie andDavid Eisenhower(Julie's the daughter ofRichard Nixonand married Ike's son), as well asSusan FordandJack Carter, spawn ofGerald FordandJimmy Carter).

The opener benefited theAmerican Folk Art Museumand was hosted by its board president,Laura Parsons. Afterward, Robb was a special guest at a dinner atTocquevilleon E. 15th St. She left right after dessert because she was due in D.C. yesterday to speak at theSargent Shriverfuneral and mark the 50th anniversary of the JFK/LBJ inauguration.

Before she left, we asked her what she remembered most from the original 1961 ceremony. Replied Robb:"How cold it was."

Double entendre alert

Friday's party for best-selling authorLynn Schnurnberger's latest novel,"The Best Laid Plans"is all about buzz.  The drinks are by the Summit Bar, the setting is theSoHosex emporium Babeland, and the raffle prize is a"high end"multi-speed vibrator worth over $100. (Does it come with a kickstand?)  The book's about a middle-aged mom who opens an escort service for over-40 women when her husband loses his job. Stimulating!

Ladies man
 
Todd English strikes again. The playboy chef left his 27-year-old girlfriend,Candice Sonneman, in tears at a party hosted byNe-Yoand real estate developedAvi Osterat theCarlton Hotelon Wednesday night.

Not long after the singer took the stage, English sidled up to a tall blond model and - placing his hand on her lower back as if he was seasoning a succulent cut of veal - began whispering in her ear in full view of his gal pal.

"My heart is breaking! My heart is breaking!"Sonneman wailed at the sight of English's advance. When we inquired about her distress, she gestured toward English and the model:"Look at my boyfriend over there with that girl!"Before stalking away, the teary-eyed Sonneman told us:"I just can't do this anymore!"

Minutes later, English bid the model adieu and exited, too, but he must be as good at sweet talk as he is in the kitchen. Later that evening, Sonneman was back in his arms, dancing the night away.

Don't skip the commercials

Is Diddyjust another word for nothing left to lose? In 2009, we had to suffer through theBlack Eyed Peas'Will.I.Amsponging offBob Dylan's"Forever Young"in a Pepsi Super Bowl ad. Now we hear thatMercedes-Benzhas just shot a dream-sequence spot for theNFLad-stravaganza that stars Sean (Diddy) Combs and featuresJanis Joplin's great"Mercedes Benz"song. Oh, Lord!?

Contact Gatecrasher:
Frank DiGiacomo:fdgiacomo@nydailynews.com
Carson Griffith:cgriffith@nydailynews.com
Molly Fischer:mfischer@nydailynews.com

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