Kendall Jenner and Hailey Bieber stun in bikinis on a girls trip to Cabo San Lucas

They've been friends for years who regularly catch up when they're on the same coast. The two-piece swimsuit featured matching high-cut bottoms, and she wore several necklaces and bracelets while in the water Awestruck: The 5ft10in reality star was seen stepping out of the hot tub to admire the ocean off in the distance and to snap some bikini selfies The whole gang's here: Hailey joined her with several of their other female friends as she relaxed in the hot tub Colorful display: Hailey complemented Kendall's look with a multicolored halter two-piece with an orange top Eye catching: She wore bottoms with bursts of pink, orange and yellow while showing off her pert derriere Warming up: The two were seen relaxing in a hot tub by the residence, which was surrounded by large mounds of sand Ready for more: Hailey was spotted toweling off after soaking in the tub with friends She complemented Kendall's look with a multicolored halter two-piece with an orange top and bottoms with bursts of pink, orange and yellow. Had enough: After she'd surveyed the beauty of the beach, Kendall headed inside to dry off, with Hailey close behind Risqué: It appeared to be a clothing-optional party, as two of the models' friends opted to go topless while in the hot tub Vacationing in style: The group appeared to be staying in a luxury residence for their trip south of the border A view to die for: he vacation home featured elegant floor-to-ceiling windows with a lovely view of the beach What friends are for: After stepping out, one of the women covered herself with a towel before wrapping it around Hailey Seemingly missing out on the girls trip were Kendall's boyfriend Devin Booker and Hailey's husband Justin Bieber. Flower power: One of Kendall's friends went bra-free in a white cropped tank top under a unbuttoned white shirt with a pair of vibrant floral-print pants Low key: Their other friend didn't bother to dress for the walk on the beach and simply kept on her white robe from earlier in the afternoon Waiting for the right moment: KUWTK EP Farnaz Farjam recently explained on Bravo's Daily Dish podcast that Kendall's boyfriends never appeared on Keeping Up With The Kardashians because she only wanted them to be on if it was serious Taking her time: 'Kendall’s always had this rule — she just felt like she had to be with someone for at least a year before she lets them be a part of the show, because she doesn’t always know what people’s intentions are,' she said. 'Gals weekend': In her own photos taken on Sunday, Hailey showed off her stunning figure in her multicolored bikini as she by the ocean with a bottle of Kendall's tequila within reach Fit figure: She highlighted her flat tummy while covering up her suit with a mauve button-up shirt and linen pants in a mirror selfie Letting loose: She was ready to toss back a shot while dressed in her black-and-red outfit and standing on an elevated pool Dining in style: The wife of Justin Bieber beamed against a picturesque overcast sky as she waited for dinner with her pals Stylish: A sultry black-and-white photo showed her washing off the sand and salt after spending more time at the beach in a new bikini Colorful: Hailey changed things up later with hypnotizing multicolored SIEDRÉS pants with geometric patterns, while she wore a skimpy brown crop top and open-toe stilettos