Ryan Seacrest grins for the cameras courtside.

Courtney Cox-Arquette and Laura Dern on the edge of their seats.

Ellen Pompeo attends game seven near the Laker Girls.

Kris Kardashian roots on her son-in-law Lamar Odom inspiring the Lakers fourth quarter comeback.

Terrell Owens wearing his sunglasses inside, stands in anticipation for the outcome of game 7.

Dustin Hoffman peers on Kobe and the Lakers winning back to back championships.

Andy Garcia claps on the home team.

Red Hot Chili Peppers guitarist Flea can't be mistaken for a Celtics fan at Game 7, as he was after he attended a game in Boston.

His Cavaliers may not be in the Finals, but recording artist Usher is there anyway.

Actor David Arquette hams it up as usual at Game 7.

Actress Maria Menounos and comedian Dane Cook aren't afraid to show their true colors at Game 7 in LA.

Khloe Kardashian watches hubby Lamar Odom during Game 7, while big sis Kim is watching the cameras.

Comedian George Lopez apparently came straight from the golf course to Game 7.

The Lakers routed the Celtics in Game 6 after Christina Aguilera sang the national anthem, so she performed it again before Game 7.

Actor Jack Nicholson doesn't just show up for playoff games. A courtside fixture at Staples Center, he talks to referee Ken Mauer in Game 6.

Actors Diane Lane and Josh Brolin sit courtside in Game 6.

Actor David Arquette watches Game 6.

Sean 'Diddy' Combs and director Spike Lee talk during halftime of Game 6.

Singer Lenny Kravitz and singer Anthony Kiedis of the Red Hot Chili Peppers watch Game 6.

Snoop Dogg attends Game 6.

TV personality Maria Menounos reacts as she and comedian Dane Cook, both Celtics fans, watch the second half of Game 6.

Singer Christina Aguilera is photographed as she and her husband Jordan Bratman leave the floor during the first half of Game 6.

Singer Christina Aguilera sings the national anthem before Game 6 at Staples Center in Los Angeles.

"Saturday Night Live" comedian Seth Meyers watches Game 4 in Boston.
 

Actor and Beantown native Mike O'Malley waits for the start of Game 5 in Boston.
 

Grammy-winning recording artist Anita Baker got bad reviews for her performance of the national anthem prior to Game 4 in Boston.
 

Actress Ellen Pompeo, a Massachusetts native, and husband Chris Ivery watch Game 5 in Boston.
 

Heat star Dwyane Wade and son Zaire watch Game 5 in Boston.
 

Olympic gold medal-winning sprinter Usain Bolt watches Game 5 in Boston.
 

Actor Leonardo DiCaprio, actor Kevin Connolly, singer Jason Lowenstein and Kaley Cuoco attend Game 2 in Los Angeles.

It wouldn't be a Lakers game without Jack Nicholson, right?

NBA star Chris Bosh, one of the premier free agents this offseason, showed up to watch Game 2.

Kris Jenner leaves the concession area during Game 2 in L.A.

Actor Michael Clarke Duncan heads to the concession area for a snack at halftime of Game 2.

Actor Sylvester Stallone drops in to watch Game 2 at Staples Center.

TV personality Kim Kardashian gets an up close look at her brother-in-law's Lakers in Game 2.

Actress Hilary Swank and the rest of the Laker faithful left Game 2 disappointed.

Red Hot Chili Peppers bass player Flea is an iconic Lakers fan and was spotted throughout the first two games.

Actor Dustin Hoffman watches his Lakers struggle in a Game 2 loss on Sunday.

Outspoken NFL star Terrell Owens was in the crowd at Staples Center on Sunday.

Reality TV star Khloe Kardashian watches Game 2 -- and her hubby, Lakers star Lamar Odom.

Singer Adam Levine helps out with a giant foam finger during Game 2.

Pop star Justin Timberlake turned out to watch Game 2.

Red Hot Chili Peppers singer Anthony Kiedis (left) and actor Aaron Eckhart watch Game 2 in Los Angeles.

New England Patriots quarterback Tom Brady and former NBA player Joe Bryant, father of Lakers star Kobe, sit courtside for Game 3 in Boston.

Former Celtics and Lakers player turned actor Rick Fox attends Game 3.

Boston Celtics legend Bob Cousy attends Game 3.

Actress Eliza Dushku takes in Game 3.

Joe "Jellybean" Bryant and Pamela Cox Bryant, parents of Lakers star Kobe, take in Game 3.

Actor Christopher Mintz-Plasse takes in Tuesday's game in Boston.

Actress Maria Menounos attends Game 3.

Patriots receiver Wes Welker watches -- though not the court -- during Game 3.