The official weigh in event for UFC 152: "Jones vs. Belfort" took place today (Fri., Sept. 21, 2012) from the Mattamy Athletic Centre at the Gardens in Toronto, Ontario, Canada.

All fighters hit their respective weight without incident. And aside from an initially tense but ultimately playful staredown between Bisping and Stann, all was smooth sailing.

Let's hope they're all just saving their energy for battle tomorrow night.

UFC 152: "Jones vs. Belfort" will feature a light heavyweight championship showdown that showcases division titleholder Jon Jones, continuing his assault on the 205-pound weight class by taking on former champion Vitor Belfort.

In other main card action, Joseph Benavidez and Demetrious Johnson duke it out to determine the first-ever flyweight champion, while middleweight contender Michael Bisping tries to clear yet another 185-pound hurdle in the form of Brian Stann.

Complete UFC 152 weigh-in results and live video stream after the jump.

Main Event:

205 lbs.: Jon Jones (204.6) vs. Vitor Belfort (204.2)

Main Card (pay-per-view):

125 lbs.: Joseph Benavidez (124.4) vs. Demetrious Johnson (125)
185 lbs.: Michael Bisping (185.6) vs. Brian Stann (185.4)
205 lbs.: Matt Hamill (205.6) vs. Roger Hollett (203.6)
145 lbs.: Charles Oliveira (146.4) vs. Cub Swanson (145)

Preliminary Card (FX Channel):

205 lbs.: Vinny Magalhaes (205) vs. Igor Pokrajac (205)
155 lbs.: Evan Dunham (155) vs. T.J. Grant (154.6)
170 lbs.: Sean Pierson (169.4) vs. Lance Benoist (170.4)
145 lbs.: Marcus Brimage (145.4) vs. Jim Hettes (145.8)

Preliminary Card (Facebook):

170 lbs.: Seth Baczynski (171) vs. Simeon Thoresen (170.4)
135 lbs.: Mitch Gagnon (135) vs. Walel Watson (135.2)
170 lbs.: Charlie Brenneman (170.8) vs. Kyle Noke (170.4)

For those fortunate enough to be in "Hogtown" today, remember the weigh-in is FREE to attend and open to the public. Doors to the weigh-in will open at 3 p.m. ET. In addition, UFC Fight Club members will be able to attend a special Q&A session with Cain Velasquez at 2 p.m. ET (Doors for UFC Fight Club members open at 1 p.m. ET).

MMAmania.com will provide LIVE round-by-round, blow-by-blow coverage of the main card bouts on fight night (Sat., Sept. 22, 2012), which is slated to air at 10 p.m. ET pay-per-view (PPV). The latest quick updates of the live action will begin to flow earlier than that around 7:15 p.m. ET with the "Prelims" match-ups on Facebook and FX.

It's going to be a fun night of fights so don't miss it. And remember to check us out for all the pre, during and post-fight UFC 152 coverage you can handle.

For all the latest "Jones vs. Belfort" news and notes click here.