Kate Upton, the wife of Houston Astros pitcher Justin Verlander and a former "Sports Illustrated" model, turned 30 on June 10. The adage, "age is just a number," stands true for Kate. She looks quite a bit better than she did 10 years ago. While she has always been beautiful, her looks have improved, and now she is more polished than ever.Nata Art@Nata_ArtsKate Upton, 2012. Photographer Steven Maisel/Vogue Italy/22978Kate Upton, 2012. Photographer Steven Maisel/Vogue Italy/ https://t.co/DKkIkm4FB2"Kate Upton, 2012." - Nata ArtTo celebrate the milestone in style, Kate went for an all-girls trip with her gal pals to a picturesque destination. Upton jetted off to St. Barths, a volcanic island surrounded by shallow reefs in the Caribbean Sea.Kate uploaded an Instagram Reel clubbing all the highlights from her Caribbean trip. She synced the song "Roses" by SAINt JHN with her IG reel.Upton chose the first paragraph of the song for her IG reel with lyrics playing, "Roses, I walked in the corner with the body screaming dolo...Never sold a bag but look like Pablo in a photo...This gon' make 'em feel the way like Tony killed Manolo...You already know though, you already know though." View this post on Instagram Instagram Post"It was perfect." - Kate UptonAmong Kate's seven girlfriends who were present with her on the dreamy trip, three of them commented on the IG post.Amy Cole, the wife of New York Yankees pitcher Gerrit Cole, wrote that she loved every minute of the trip.Amy Cole, one of Kate's girlfriends, comments on her IG post.Lucinda Williams said, "We had the best time! Thank you Kate!! ❤️🧡💛💚💗💙"Another friend of Kate comments on her IG reel.Maggie Dalzell commented, "The BEST trip!!! We loved celebrating you 😍 Happy 30th again 💗💗💗 thanks again for everything - we love you!"Magi leaves a comment on Kate's IG Post.From cliff-jumping to jet-skiing, Kate Upton and her squad rode high on thrill at St. BarthsF1 Grand Prix of Monaco - QualifyingKate's trip to St. Barths with her girlfriends is giving her Instagram followers squad goals. They did it all, from cliff-jumping into the turquoise water to jet skiing to jumping off a yacht in the middle of the Caribbean Sea.Kate cliff jumping at St. Barths. (Source: Kate's IG Handle)Kate jumps into the ocean and jet skis with her girlfriends. (Source: Kate's IG Handle)Here are a few more unseen pictures from her birthday trip with her girlfriends.Kate looking gorgeous with her girl squad on 3oth her birthday trip.As Kate, the wife of Justin Verlander, steps into her 30s, may her third decade on the planet blossom into memorable years of her life.