Mother's Day 2014: Katy Perry, Khloe Kardashian and Other Celebs Wish Their Mums on Twitter

Happy Mother's Day! Today (May 11), mothers all over the world will be celebrated for their unconditional love and support.

Not surprisingly, plenty of celebs have turned to social media to express their love on this special day.

Here's a roundup of top celeb tweets for their mothers (via People):

She's like my child and I love her! I love my mom!

— Khloé (@khloekardashian) July 8, 2013

I my mom! — Katy Perry (@katyperry) May 12, 2013

#itsMYbirthDAY...but I wanna wish my mom all the wishes because she did all the work...I'm blessed to have her as a mother...#thanksMOM

— will.i.am (@iamwill) March 15, 2014

"Sometimes ALL you have to do is be brave." -my Mom — Sarah Silverman (@SarahKSilverman) September 13, 2013

Grateful we celebrated my Mom's bday last night. We laughed a lot, similar to this picture! cc @HillaryClinton pic.twitter.com/A1RIsVnDeO

— Chelsea Clinton (@ChelseaClinton) October 27, 2013

Age 4: "I love Mommy." Age 16: "I HATE HER." Age 20: "Mom was right" Age 60: "I wish my Mom was still here." RT if you love your Mom. — Kevin Hart (@KevinHeartReal) October 16, 2013

My mom just urgently texted me to let me know that there is a Buffy marathon on all day tomorrow on Syfy. Because she is the BEST MOM EVER!

— shonda rhimes (@shondarhimes) July 21, 2013

"You always walk away feeling better about yourself when you've encountered my mom" HAPPY 75th to my fav in the world pic.twitter.com/JUyuGH3P6l — John Stamos (@JohnStamos) April 8, 2014