Celebrities caught with their thumbs up

Jennifer Lawrence - A winning thumbs-up from Jennifer Lawrence, who took home the award for Best Actress.

Paul McCartney - Not bad, eh? Paul McCartney gives a thumbs-up after being awarded the Legion d'Honneur (Legion of Honor).

Melissa McCarthy - Melissa McCarthy expresses her delight with a double thumbs-up on stage after announcing the 63rd Primetime Emmy Awards nominations.

Lupita Nyong'o - A clearly happy Lupita Nyong'o attends the 'Informed Consent' 2015 opening night after party in New York City.

Arnold Schwarzenegger - Arnold Schwarzenegger gives a thumbs-up at his office in August 2003 in Santa Monica.

Taylor Swift - Taylor Swift performs on ABC's 'Good Morning America' and flashes a thumbs-up in Times Square on October 2012 in New York City.

Hugh Jackman - Australian actor High Jackman also poses with a double thumbs-up as he arrives for the Los Angeles screening of 'X-Men Origins-Wolverine.'

Kim Kardashian - Kim Kardashian gives a double thumbs-up to her audience during a promotional visit to Melbourne, Australia, in 2012.

Eva Longoria - It's a thumbs-up for the cameras as Eva Longoria attends the Young Hollywood Votes ceremony in Beverly Hills in 2004.

Will Smith - Will Smith gives a thumbs-up as he arrives for the 2004 premiere of 'Raising Helen,' screened du

Dwayne Johnson - Dwayne Johnson, aka "The Rock," seen during the GQ Celebrates Its Third Annual Movie Issue show held in Hollywood in February 2002.

Robert Downey Jr. - A rather downcast thumbs-up from Robert Downey Jr. as the actor arrives at the premiere of 'Iron Man 3' in Hollywood in 2013.

Michael Jackson (1958–2009) - Michael Jackson, the "King of Pop," flashes a thumbs-up sign at the Lumiere Institute in Lyon, France, in June 1997.

Emma Thompson - English actress Emma Thompson is honored at the Hollywood Walk of Fame Star ceremony in August 2010.

Avril Lavigne - The Canadian singer-songwriter in buoyant mood as she arrives at the 2011 Teen Choice Awards held at Gibson Amphitheatre in Universal City, California.

Oprah Winfrey - Oprah Winfrey attends the premiere of 'Boo! A Madea Halloween' at ArcLight Cinemas Cinerama Dome in October 2016 in Hollywood.