For former lovebirds and , being together at the same star-studded event appears to be tough going. On a rainy Tuesday night in NYC, Jake arrived at Hennessy Artistry's concert, featuring The Strokes and , with buddy . A short while later, Kirsten arrived with her Marie Antoinette co-star . The foursome chatted for a bit in the VIP section, but not for long. Kirsten and Jason went to sit at their own table and then joined other celebs on the balcony. Afterward, Jake and Lance hit the afterparty at Tenjune, where partygoers told OK! that Jake seemed 'annoyed with Kirsten's behavior.' But, friends of the pair assure us, 'Jake and Kirsten remain friends.'
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