Oliver Proudlock is "over the moon" for Spencer Matthews and Vogue Williams.
Oliver Proudlock (centre) with Joey Essex and Chris Hughes filming their tongue twister advert
The couple recently announced they are expecting their first child together, just weeks after it was revealed they are engaged, and the fashion designer cannot wait for the "sweet" pair to tie the knot.
He exclusively told BANG Showbiz: "It's super exciting. Spenny and Vogue are so sweet, I'm literally over the moon for them.
"Hugo and Millie are getting married this year, too, so we're all settling down. Everyone is growing up."
While Proudlock is enjoying seeing his fellow 'Made in Chelsea' stars settling down, he doesn't have any plans to pop the question to his girlfriend, model Emma Louise Connolly, just yet, but knows she is "the one".
He added: "At the moment, me and my girlfriend are just having so much fun. She's incredible. There's no doubt she's the one, but we're just having a great time at the moment."
The 29-year-old star doesn't have much time to get down on one knee for the time being because he is focusing on his clothing brand Serge DeNimes, his fitness regime, and appearing in 'Made in Chelsea', he cannot get enough of being creative.
He said: "I wouldn't call myself an actor at all. For me, my main focus is very much fashion and fitness.
"And to be able to collaborate with different brands, and to create content. I come from a really creative background so to be able to do that is a dream come true.
"To be on TV is completely different and something I never thought I would do, so it's nice to do that."
But Proudlock has found time to chow down on a few Big Macs of late, teaming up with McDonald's to celebrate the famous burger turning 50 years old.
He joined fellow reality stars, Love Island's Chris Hughes and TOWIE's Joey Essex, to recreate the classic 70s tongue twister advert, and managed it a lot easier than Chris.
He added: "The tongue twister was quite an easy win. They were just making up lyrics, they weren't even playing by the rules.
"Chris kept chucking in a tomato in and we were like, 'Mate, there's no tomatoes in a Big Mac, stick to the ingredients. They've be going for 50 years.' "
But Proudlock has limited himself to just one of the limited edition burgers because he doesn't want to get too used to the huge size.
He said: "I've only had one Grand Big Mac so far, that was my worry that if I had too many the Big Mac is never going to be enough. It would be a downhill spiral but a good spiral."
Check out the ultimate reality battle, with the boys trying to complete the ingredients tongue-twister at www.youtube.com/user/McDonaldsUK
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