Shannon Leto, Jared Leto and Tomo Milisevic of 30 Seconds To Mars flash Obama t-shirts at the MTV Europe Music Awards in Liverpool

Bruce Springsteen performing at the 'We Are One' concert with Barack Obama and his family looking on proudly

Sean 'Diddy' Combs speaking at the Last Chance For Change rally at Florida Memorial College, Miami Gardens, Florida last November.

Beyonce Knowles at the Promote The Vote rally in Philadelphia – held just a day before the election Obama won

Queen Latifah shows her support for President-elect Barack Obama with a sticker on her new Rolls-Royce as she pumps gas at a 76 gas station last November. Surely obscuring the number plate is illegal?!

Sheryl Crow performing at the 'We Are One' inaugural concert at the Lincoln Memorial. Fittingly she wore a Barack Obama t-shirt to mark the occasion.

Busta Rhymes at the Rose Bowl in Pasadena, California, showing his support last summer for the then presidential candidate

Will.i.am, complete with Barack Obama badge, at the 'Madagascar: Escape 2 Africa' premiere at the Mann Village Theater, California.

John Legend performing at the Bloomsbury Ballroom in London last October, spreading his support for Obama

R&B singer Eric Benet walking down Robertson Boulevard, Los Angeles wearing a Barack Obama T-shirt

Legendary hip-hop mogul Russell Simmons speaking at the Last Chance For Change rally at Florida Memorial College, Miami Gardens, Florida

The infamous video of a masked P Diddy doing a Barack Obama impression which surfaced in late 2008

Lil Kim shows her support at an October 2008 rally for the President Elect hosted by The Source magazine

Justin Timberlake at the Last Chance for Change' rally at the Clark County Amphitheater, Las Vegas

Good Charlotte's Benji Madden wearing an Obama shirt during a free concert in Baltimore last summer

Beyoncé Knowles, wearing an Obama shirt, takes a stroll with Jay-Z in New York

Alicia Keys in London, July 2008, wearing a Barack Obama t-shirt

Black Eyed Peas' Fergie put on a show at the Puyallup Washington Fair wearing an Barack Obama T-shirt

Bono was one of the biggest names on the 'We Are One' concert bill, performing with his band U2. He told the hundreds of thousands in the crowd that Obama was the man to complete Martin Luther King's American dream.

Bruce Springsteen at the Barack Obama campaign rally at Benjamin Franklin Parkway, October 2008.

P. Diddy arrives wearing a cast complete with Barack Obama badge to a Madonna concert at the Madison Square Garden in midtown, Manhattan.

Heidi Klum and Seal strolling in the Soho Streets of New York City wearing Barack Obama badges.

Seal later put on a Barack Obama mask for the paparazzi

Hollywood megastar turned singer Scarlett Johansson arriving at Tegel Airport in Berlin wearing a Barack Obama campaign badge

Young Jeezy out and about in Manhattan wearing a Barack Obama t-shirt, August 2008

Madonna leaves her London gym last September wearing a t-shirt emblazoned with the face of Obama

Eve with pro-Barack Obama nail art