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'No Strings' earns $20.3M in opening weekend

Natalie Portman is shown in a scene from the 2011 film, 'No Strings Attached.' (Paramount Pictures)

January 23, 2011 12:00:00 AM PST
'No Strings Attached' topped the box office in its opening weekend. The romantic comedy from Paramount Pictures earned an estimated $20.3 million.

Ashton Kutcher and Natalie Portman star as friends who try to maintain a purely sexual relationship, even as they're falling in love.

Last week's top film, "The Green Hornet," dropped to second place with $18.1 million.

"The Dilemma" was in third place with $9.7 million.

In fourth place, "The King's Speech" earned $9.2 million and "True Grit" rounded out the top five with $8 million in earnings.

The top 10 movies of the weekend were:

1. "No Strings Attached," $20.3 million.

2. "The Green Hornet," $18.1 million.

3. "The Dilemma," $9.7 million.

4. "The King's Speech," $9.2 million.

5. "True Grit," $8 million.

6. "Black Swan," $6.2 million.

7. "The Fighter," $4.5 million.

8. "Little Fockers," $4.4 million.

9. "Yogi Bear," $4.1 million.

10. "Tron: Legacy," $3.7 million.