Pacquiao vs. Marquez: 15 Celebrities Guaranteed to Be in the Crowd in Las Vegas

With any big-time boxing match, so many stars are in attendance that you might need to be an astronomer to spot them all.

The stars are sure to shine on November 12, when Manny Pacquiao, one of the two biggest names in boxing, takes on Juan Manuel Marquez for the third time in Las Vegas at the MGM Grand Garden Arena.

Here are the 15 celebrities you will surely see ringside as Pacquiao and Marquez put on a show in the ring.

Mark Wahlberg

Wahlberg doesn't have to be researching for a role in a movie to be at a fight, as he is an avid boxing fan.

The star of the boxing movie The Fighter, Wahlberg has been at just about every big fight over the past few years, and you know he will be ringside on November 12.

Jeremy Piven

Famous for playing a brash and cocky Hollywood agent in the hit series Entourage, Jeremy Piven has been a fixture at boxing matches for years.

The Emmy-winning actor is a big sports fan and can be seen anywhere from Los Angeles Lakers games to tennis' U.S. Open, and like his character in Entourage loved the big contracts, Piven loves the big fights, so you know Piven will be there watching Pacquiao next month.

Charles Barkley

Known for his rough-and-tumble style of play on the basketball court, it's only natural that NBA Hall of Famer Charles Barkley is a big boxing aficionado.

With the NBA still in lockout mode and "Sir Charles" not having any work to do with TNT, you could bet Barkley will be at the Manny Pacquiao versus Juan Manuel Marquez fight in Las Vegas on November 12, because as much as Chuck loves boxing, he loves Las Vegas just as much.

Sean "P Diddy" Combs

Hip-hop mogul Sean "P Diddy" Combs loves the big time, and there isn't anything much bigger than a huge prizefight.

Expect the multitasking star to watch Manny Pacquiao and Juan Manuel Marquez duke it out for the third time.

Earvin "Magic" Johnson

NBA legend and entrepreneur Earvin "Magic" Johnson was known for his deceptive style of play on the basketball court, and watching a counter-punching expert like Juan Manuel Marquez is right up Johnson's alley.

Magic has been attending big fights ever since he gained superstardom back in the late 1970s, and with one of the biggest names in boxing, Manny Pacquiao, no trick will be needed to make Johnson appear ringside on November 12.

Will Ferrell

Funny man Will Ferrell may not be the most athletic guy in the world, but he is a huge sports fan and can be found anywhere from the sideline at his beloved USC Trojans' football games to, of course, ringside for the gladiators in the ring, boxing.

Look for Ferrell to watch something a little more serious as Manny Pacquiao and Juan Manuel Marquez slug it out in the ring.

Denzel Washington

Hollywood megastar Denzel Washington has been in many drama-heavy movies and is a usual at big fights as the drama unravels in the ring.

Look for the Hollywood legend to watch a legend in the ring, as Manny Pacquiao and Juan Manuel Marquez meet in more than a training day.

Leonardo DiCaprio

Expect Hollywood megastar Leonardo DiCaprio to be ringside with his hat tilted to cover his face, but you still know it's him and all.

DiCaprio loves his sports and is as likely to be at a big fight as he is to be courtside watching the Los Angeles Lakers.

Look for DiCaprio to be ringside with his latest supermodel fling enjoying Manny Pacquiao and Juan Manuel Marquez.

Brad Pitt and Angelina Jolie

Some of the biggest stars, like Brad Pitt and longtime partner Angelina Jolie, only show up for the biggest events, and a Manny Pacquiao-Juan Manuel Marquez fight definitely qualifies as such.

Look for the power couple to enjoy a night off from their six kids as they get cozy with each other as the action takes place in the ring.

Jay Z and Beyonce Knowles

Hip-hop mogul Jay Z and his superstar wife Beyonce Knowles will be big pimpin' ringside when Manny Pacquiao and Juan Manuel Marquez take to the ring in two weeks.

The power couple can expect some power moves as Pacquiao looks for a decisive win over Marquez, as he has had a very tough time with him during their past two fights.

Derek Jeter

New York Yankees slugger Derek Jeter has popped up at a few major fights, and with the baseball season long over for him, expect Jeter to be among the stars at the Manny Pacquiao-Juan Manuel Marquez fight.

Jeter and the rest will hope for a home run-esque punch that sends one of the two fighters to la la land and makes him feel like he is in left field instead of in a boxing ring.

Paris Hilton

Paris Hilton seemed to hit it off with Manny Pacquiao and his wife Jinkee after Pacquiao's victory over Shane Mosley earlier this year, and there is no reason not to expect Hilton to be in attendance for Pacquiao's fight with Juan Manuel Marquez on November 12.

Hilton, famous for being famous and not having any real talent, can enjoy watching real talent when Pacquiao and Marquez take to the ring.

After the fight, maybe Hilton and Pacquiao can sing a duet together, if the public could handle the two terrible singing stars performing at the same time.

Mike Tyson

One of the most feared boxers of all time, Hall of Famer "Iron" Mike Tyson is at any fight that has any kind of buzz behind it, and will enjoy a great fight when Manny Pacquiao and Juan Manuel Marquez go toe-to-toe on November 12.

One can only hope that one of the two fighters can deliver a Tyson-like knockout in the ring when they face off in their rubber match.

Sylvester Stallone

Mr. Rocky Balboa himself, Sylvester Stallone, is of course a huge boxing fan and a boxing icon due to his Rocky movie series. He is a sure bet to be ringside enjoying Manny Pacquiao and Juan Manuel Marquez have at each other in the ring..

Those Rocky movies were so big to boxing that Stallone was inducted into the International Boxing Hall of Fame for his part in the movies, and he will watch two future Hall of Fame fighters in Pacquiao and Marquez on November 12.

Muhammad Ali

The self-proclaimed greatest of all time, Muhammad Ali is the most iconic boxer of all time and is at every major fight.

Ali will enjoy a fight from one of the greatest of this decade in Manny Pacquiao, as he goes for a tough win against Juan Manuel Marquez next month.