And the box office champion this week is...

LOS ANGELES – "The Social Network," David Fincher's drama chronicling the contentious origins of Facebook, won the most friends at the weekend box office with a $22.4 million debut.

The top 20 movies at U.S. and Canadian theaters Friday through Sunday, followed by distribution studio, gross, number of theater locations, average receipts per location, total gross and number of weeks in release, as compiled Monday by Hollywood.com are:

1. "The Social Network," Sony, $22,445,653, 2,771 locations, $8,100 average, $22,445,653, one week.

2. "Legend of the Guardians: The Owls of Ga'Hoole," Warner Bros., $10,887,429, 3,575 locations, $3,045 average, $30,079,298, two weeks.

3. "Wall Street: Money Never Sleeps," Fox, $10,002,578, 3,597 locations, $2,781 average, $35,778,429, two weeks.

4. "The Town," Warner Bros., $9,749,332, 2,935 locations, $3,322 average, $64,056,752, three weeks.

5. "Easy A," Sony Screen Gems, $6,748,777, 2,974 locations, $2,269 average, $42,176,967, three weeks.

6. "You Again," Disney, $5,722,566, 2,548 locations, $2,246 average, $16,607,633, two weeks.

7. "Case 39," Paramount, $5,350,570, 2,211 locations, $2,420 average, $5,350,570, one week.

8. "Let Me In," Overture, $5,147,479, 2,021 locations, $2,547 average, $5,147,479, one week.

9. "Devil," Universal, $3,564,055, 2,392 locations, $1,490 average, $27,291,460, three weeks.

10. "Alpha and Omega," Lionsgate, $2,924,868, 2,303 locations, $1,270 average, $18,949,437, three weeks.