Ricky Martin is getting ready to hit the small screen on Fox's hit show Glee.

The 40-year-old "Livin' La Vida Loca" singer Tweeted the above photo with the cast ... and the following, First day!!

Lea Michele also Tweeted about working with the sexy singer. She wrote:

    "Ive known Ricky since Im 8 years old! He was in Les Mis on Broadway with me in 1996! Crazy huh?!. Hes seriously the sweetest and such a great fit for our show!

What a love fest! The episode featuring Ricky will be airing on January 31.