Colton Haynes' famous friends have taken to social media to congratulate him on his engagement.

Colton Haynes

Colton Haynes

The 'Teen Wolf' actor's partner, celebrity florist Jeff Leatham, proposed on vacation in Mexico over the weekend, and after the pair announced their happy news on Instagram, friends rushed to share their joy.

Rob Lowe tweeted: "Congrats to @ColtonLHaynes One of the great guys. Happiness to you both! (sic)."

And Colton's best friend Ally Maki wrote on Instagram: "MY BEST FRIEND IS ENGAGED!!! This will forever be the best FaceTime call of my life (sic)."

Andy Mientus tweeted: "@ColtonLHaynes CONGRATS DUDE! It's the best. So happy for you xo," and Michael Arden added: "@andymientus @ColtonLHaynes What he said! CONGRATS buddy! (sic)."

Colton announced the engagement by posting a picture of him and Jeff kissing, with fireworks in the background, and wrote: "I SAID YES!!! @jeffleatham."

Jeff reposted the picture and wrote: "HE SAID YES !!! #FireworksFlowersCher."

Meanwhile, Colton recently gushed about how "blessed" he feels to have found love with Jeff and said the florist makes him want to be a "better man".

He wrote on Instagram: "It's not every day that someone comes into your life & makes you want to be a better man. I feel so blessed to be by your side @jeffleatham #WhatMoviesAreMadeOf (sic)"

And on Valentine's Day Colton shared a photo of himself and Jeff standing on a rooftop within a heart made of roses and a number of candles.

He wrote alongside the post: "The most special day of my life. Thank you @jeffleatham . We were actually in the clouds...speechless. Happy Valentine's Day to all of you. #LoveWins Never be afraid to love harder. (sic)"

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