Artists for gun control

Last week, more than 180 musicians signed an open letter from Billboard magazine in support of the Democrats' efforts in Congress to pass gun control measures in the US.

Here are ten of the biggest names who added their names to the petition:

Paul McCartney and Ringo Starr

Barbra Streisand

Katy Perry

Lady Gaga

Demi Lovato (pictured)

Britney Spears

Shakira

Calvin Harris

Selena Gomez

Billy Joel

Wexford People