Celebrity | marijuana Happy 4/20, Hollywood's Highest Stars from Paris to Brad are probably celebrating today By Evann Gastaldo Posted Apr 20, 2009 12:55 PM CDT Copied Olympic gold-medal swimmer Michael Phelps makes a motivational speaking appearance Tuesday, March 24, 2009, in San Jose, Calif. (AP Photo/Ben Margot) We all know that Seth Rogen and the rest of Team Apatow are probably celebrating “Pot Day.” But what other celebs are joining them? In honor of 4/20, BuzzFeed compiled a list of Hollywood’s highest: James Franco: “There's a reason he’s squinting in almost every picture you see.” Paris Hilton: Pictured toking in “nostalgic” photos from the mid-2000s “when banks had money and everyone listened to the Postal Service.” Brad Pitt and Jennifer Aniston: “The perennial ‘Stoned Celebrity’ winners apparently only lasted as long as they did because of the weed.” Snoop Dogg: Doesn’t even require an explanation, and neither does… Willie Nelson. Kristen Stewart: The Twilight star isn’t as apathetic as she seems to be in interviews, “she is just very high.” Michael Phelps: “America's Greatest Olympian and Un-Savviest Spokesperson.” For the complete list, click the link below. Read These Next New Fox star, 23, misses first day after car troubles. White House rolls with Trump's 'daddy' nickname. Man accused of killing his daughters might be dead. Supreme Court ruling is a big blow to Planned Parenthood. Report an error