Cloverfield sets box office record this weekend. The J. J. Abram monster movie brought in nearly $50 million over four days setting a box-office record with the biggest Martin Luther King weekend opening ever. It also broke the record with the biggest January opening. This could be quite a breakout for stars like Odette Yustman and Lizzy Caplan.

Watch video of Cloverfield trailer:

27 Dresses, a romantic comedy starring Katherine Heigl, matched industry expectations and came in a distant No. 2 with U.S. and Canadian grosses on track for $27 million through today.