Manchester by the sea won two Academy Awards: Best Actor for Casey Affleck and Best Original Screenplay for Kenneth Lonergan (presented by Matt and Ben). Photos of Matt and Lucy (both in Versace) on the Oscars red carpet, during the ceremony and at the Vanity Fair Oscar party are below, at Just Jared and at the Daily Mail, including red carpet video:
A summary of the Matt and Jimmy Kimmel 'feud' gags on Oscar night is at the Boston Globe, Daily Mail and news.com.au. Before the final Best Picture mix-up there was going to be another gag with Matt and Jimmy - details from the LA Times. Adriana Lima posted a photo of herself with Matt and Jimmy at an after-party.
Matt's interview with Michael Strahan on the red carpet is available here. Strahan posted photos with Matt and Lucy on the red carpet.