Party politics

That was Stephanie March celebrating Fashion Week with Christian Siriano at Aveda’s kickoff cocktail party (Greenwich Hotel) the other night.

And “Gossip Girl” stars Kelly Rutherford, Nicole Fiscella and Matthew Settle – joined by Tamara Feld man (“Dirty Sexy Money”) – were at the Empire Hotel Rooftop to fete Dior Beauty brand ambassador Tinsley Mortimer at the Dior Beauty Gossip Girl cocktail party.

It’s a big week for David Fu mero (“One Life to Live”) – his new movie, “Greetings From The Shore,” opens Fri day at AMC Loews Village 7. It’s described as a “coming- of-age nautical fairytale” about a young woman (Kim Shaw) who journeys to the Jersey Shore and develops a romance with a “wayward foreigner” (Fumero). Paul Sorvino co-stars.

More movies: “Ghost Town,” the upcoming (Sept. 19) flick from Ricky Gervais (“The Office,” “Extras”), fea tures Brian d’Arcy James as a dead Irish hit man. James grabs the lead role in “Shrek The Musical,” which opens in December on Broadway.

Former “Sopranos” co-star Tony Sirico (Paulie) has inked a deal to join the cast of “The Muppets Christmas Special: Letters to Santa,” air ing on NBC around Christ mas. It’ll shoot here in New York; Tony will play a mob ster (what else?) who pals around with the Muppets. Last, but not least: * ‘Toon in: Rob Corddry (“The Daily Show”) guest stars in today’s episode of “The Mighty B!” (5 p.m./ Nick) playing a doctor.

* Congrats to Chance Kelly (“Generation Kill”) and wife Susan on the arrival of Colton Richard. Chance is here shooting the David Milch pilot, “Last of the Ninth,” for HBO.