Ryan Reynolds returned to the US yesterday after a stint in London. He was spotted outside NYC's JFK Airport waiting for his car and later in the day took a stroll near his Manhattan hotel. Ryan's Green Lantern costar Blake Lively was also on the East Coast over the weekend to join her boyfriend Leonardo DiCaprio for dinner at The Darby. Both Blake and Ryan are expected back in LA for the Wednesday premiere of their action flick but have a more promotional appearances scheduled in the Big Apple beforehand. Ryan's joining David Letterman on tomorrow's The Late Show, while Blake will drop by the Live! With Regis & Kelly earlier in the day. Their castmate Peter Sarsgaard is holding down the fort in Hollywood and was spotted grabbing lunch with brother-in-law Jake Gyllenhaal over the weekend.