The critically panned romantic comedy Just Married, starring real-life lovebirds Brittany Murphy and Ashton Kutcher, debuted atop the box office over the weekend with $18 million. That knocked The Lord of the Rings: The Two Towers, which had been No. 1 for three straight weekends, to No. 2 with $15 million. Rounding out the top five: Catch Me If You Can (No. 3 with $14.8 million), Two Weeks Notice (No. 4 with $6.7 million) and About Schmidt (No. 5 with $6.3 million).