Over the years, Kaia Gerber has had a front row seat to Hailey Bieber's personal journey.
And now, the supermodel is over the moon for her pregnant pal as she prepares to welcome her first baby with husband Justin Bieber.
"I'm just so, so happy for them," Kaia told E! News at Palm Royale's Official Emmy FYC Event with Apple+ May 11, adding that the couple will be "wonderful" parents. "Hailey has such a maternal quality about her, I've known her so long." (For more from Kaia's interview, watch E! News May 13.)
The Bottoms actress was among the first celebs to react to Hailey's pregnancy announcement on May 9, commenting on her Instagram post, "my heart!!!!!!!"
And Kaia wasn't alone. The pair's friends and family, including his mom Pattie Mallette, also showered them with love.
"So I have been waiting for this day," Pattie said in an Instagram video. "And now that they have shared it, I can finally celebrate with y'all. Oh my gosh, I'm gonna be a grandma! Oh my goodness."
"Justin and Hailey, you are gonna be the best parents ever, and I am so excited," she told the duo, who wed in September 2018. "Oh my goodness. Praise God."
Meanwhile, Hailey's dad Stephen Baldwin also sent his well-wishes. "Love you guys," he wrote on Instagram May 9. "Blessed beyond words."
"Praise God," he added. "Let's get ready to have some fun y'all."
To see more celebs react to Hailey's pregnancy news, keep reading...
—Reporting by Monica Fink.
Hailey & Justin Bieber Expecting First Baby
After the couple announced they're expecting their first baby together on May 9, their friends and family sent their well-wishes.
Kim Kardashian
"I love you guys sooooo much!!!!"
Kris Jenner
"We are so so excited can’t wait can’t wait what a blessing!!!!!"
Kendall Jenner
"ahhhh here come the tears again."
Kylie Jenner
"i love you guys!!!! ahhhhhhhh."
Gigi Hadid
"Yayayayyaaaaaa."
Pattie Mallette
"THANK YOU JESUS."
Ireland Baldwin
*cry face emoji*
Jordyn Woods
"Omgggg so happy for you both."
Bella Hadid
"chillieee williessss I love you soooo much!!!!"
Madison Beer
"love you both so much."
Demi Lovato
"Yayyy!!! Congratulations!!!"
Ellen Pompeo
"Congratulations!!! Sending so much love so happy for you both."
Francesca Farago
"AHH IM PREGNANT AT THE SAME TIME AS HAILEY OMG YAYY CONGRATSSSS."
Chrissy Teigen
"EEEEEEEEEEEEEEEEEEEEEEEEE!!!!!! You are going to be an amazing amazing mommy oh boy get ready!!! So exciting so happy for you both!!"
Kourtney Kardashian
"blessing."
Vanessa Hudgens
"Cutiesssss. Congratulations babe."
Paris Hilton
"Congratulations love."
Alix Earle
"Omggggg Congratulations."
Yolanda Hadid
"OMG sooo happy for you guys, congratulations."