Spotted: Anne Hathaway and Adrian Grenier making their way to the 56th Presidential Inauguration Parade on Pennsylvania Avenue in Washington, DC on Tuesday.

Both stars will be on hand later tonight at a star-studded event put on by the Creative Coalition in honour of President Barack Obama.

Other A-list invitees include Ron Howard, Spike Lee and Susan Sarandon. Disturbia diva Rihanna will provide the entertainment.