Celebrity friends of Paul Walker take to social media to mourn his death

A joyous time to celebrate family and all things we're thankful for has come to a sad end with the untimely death of Paul Walker. Celebrities, some of which are his co-stars from the Fast and Furious series, used social media to express their condolences for the actor. Check out what they're saying.

Ludacris, who starred in several films with Walker, took to his Instagram posting this a photo of the Fast and Furious cast seated at a dinner table with the words "Thankful for the Fast family." He posted this caption along with the photo:

"Your humble spirit was felt from the start, wherever you blessed your presence you always left a mark, we were like brothers & our birthdays are only 1 day apart, now You will forever hold a place in all of our hearts @paulwalker legacy will live on forever. R.I.P."

Tyrese, another frequent costar of Walker's, had this to say:

"My heart is hurting so bad no one can make me believe this is real Father God I pray that you send clarity over this cause I just don't understand My heart hurts it's broken no one can convince me that this is real.... Prayer warriors please pray real hard for his only child, his daughter and family... #HeartOfAnAngel13YrsFamilyForeverWeJustCelebreatedYour40thBirthday..... My God... My God... I can't believe I'm writing this."

In addition to those who frequently worked with him, many celebrities including fellow actors, musicians and public figures have mourned Walker's death via social media. Kevin Hart, Carson Daly, Tyson Beckford, Jack Osbourne, Pete Rock, DJ Khaled, and Domo Genesis have also tweeted prayers for Walker and his family.