The zombie romantic comedy (zom-rom-com?) "Warm Bodies" was red hot this weekend as it made its debut at No. 1 in this weekend's box office, taking in $20 million.

Last week's No. 1, "Hansel & Gretel: Witch Hunters," fell to second place this week with $9.2 million, and "Silver Linings Playbook" came in third with $8.1 million.

The top ten:

"Warm Bodies," $20 million
"Hansel and Gretel: Witch Hunters," $9.2 million
"Silver Linings Playbook," $8.1 million
"Mama," $6.7 million
"Zero Dark Thirty," $5.3 million
"Bullet to the Head," $4.5 million
"Parker," $3.2 million
"Django Unchained," $3 million
"Les Miserables," $2.4 million
"Lincoln," $2.4 million