UFC 100, the Ultimate Fighting Championship's milestone event, took place this past weekend in Las Vegas with Brock Lesnar, Georges St. Pierre, and Dan Henderson stealing the spotlight.

MMAWeekly.com photographer Scott Petersen was there to capture all of the action in this exclusive UFC 100 Photo Gallery.

UFC 100 RESULTS:

Main Card Bouts:
-Jon Fitch def. Paulo Thiago by unanimous decision (30-27, 29-28, 29-28)
-Brock Lesnar def. Frank Mir by TKO (strikes on the ground) Rd 2
-Georges St. Pierre def. Thiago Alves by unanimous decision (50-45, 50-45, 50-44)
-Dan Henderson def. Michael Bisping by KO at 3:20, R2
-Yoshihiro Akiyama def. Alan Belcher by Split Decision (30-27, 28-29, 29-28)

Preliminary Bouts:
-Mark Coleman def. Stephan Bonnar by Unanimous Decision (29-28 3x)
-Jim Miller def. Mac Danzig by Unanimous Decision (30-27 3x)
-Jon Jones def. Jake O'Brien by Submission (D'Arce Choke) at 2:43, R2
-Dong-Hyun Kim def. T.J. Grant by Unanimous Decision (30-26 3x)
-Tom Lawlor def. CB Dollaway by Submission (Guillotine Choke) at :55, R1
-Matt Grice def. Shannon Gugerty by Submission (Guillotine Choke) at 2:36, R1