JACK’S BACK

International playa and Laker’s fan Jack Nicholson debuted at the top of the box office with Something’s Gotta Give. The movie, about a love triangle involving Diane Keaton, Jack, and Keanu Reeves, opened with $17 million.

In second place was last week’s top flick, The Last Samurai, with $14 million.

The weekend’s other openers were the Farrelly brothers’ conjoined twin comedy starring Matt Damon and Greg Kinnear, Stuck on You, which opened in third with $10 million, and Love Don’t Cost a Thing, which bowed in fourth with $6.5 million.

Geeks are already camped out for the final movie of the Lord of the Rings trilogy opening Wednesday.

Here’s the rest of the Top 10: #5 The Haunted Mansion ($6.3m); #6 Bad Santa ($6.21m); #7 Elf ($6.2m); #8 Honey ($5.1m); #9 Dr. Seuss’ The Cat in the Hat ($4.2m); #10 Gothika ($2.7m).