Gossip Girl's leading couple Blake Lively and Penn Badgley hooked up with Pete Wentz and Ashlee Simpson last night in New York.

Both couples were among a host of guests at the CW Upfront afterparty at the Gramercy Hotel.

Blake and Penn, who began dating in 2007, smiled for the cameras as they arrived at the party.


Penn Badgley and Blake Lively arrive at aftershow.

The Gossip Girl stars had earlier attended the CW Upfront presentation, which showcased the channel's forthcoming programme schedule.

The event also featured their Gossip Girl co-stars Leighton Meester, Ed Westwick, Chase Crawford and Jessica Szhor.

Ashlee, who wore a black sequin dress, also attended the showcase before travelling with Pete to the Gramercy Hotel.


Ashlee Simpson and Pete Wentz arrive at hotel.

The couple, who welcomed the birth of their first son in November, held hands as Fall Out Boy fans asked Pete for autographs.

CW announced last night that their autumn schedule would be led by Gossip Girl, One Tree Hill, 90210 and America's Next Top Model.

Melrose Place, The Beautiful Life and The Vampire Diaries will also air.