Jessica Alba scarf pants boots jacket black gray necklace phone

Joe Jonas Trump Hotel New York autographs fans

Either both celebs are for Donald Trump's possible presidential run in 2012 or they just like the good service!

Jessica Alba is staying at the Trump SoHo Hotel in NYC - she Tweeted about her photo shoot with "the legendary Patrick Demarchelier" - and the preggers actress is looking better than ever!

Meanwhile, superstar singer Joe Jonas is in town to perform with bros Nick and Kevin at the 2011 Carnival For A Cure, which benefits the Diabetes Research Institute.

Joe even made sure to sign autographs and pose for pics with fans waiting outside the hotel!

And where was Joe's girlfriend Ashley Greene during all this? Click below the cut to see...