Alongside their sister Kourtney Kardashian, Kim and Khloe appeared in Miami-based spin-offs of Keeping Up With The Kardashians including and Kourtney and Khloe Take Miami and Kourtney and Kim Take Miami.
The SKIMS founder's latest outing comes just weeks after she was declared legally single from ex Kanye West and went Instagram-official with boyfriend Pete Davidson.
Despite their recent dramas with their respective exss Kanye West and Tristian Thompson, Kim and Khloe beamed with confidence in skin-tight looks at the SWIMS SWIM event.
"I've really wanted swim for a really long time," Kim told Business of Fashion on March 14 of adding the latest collection to her multi-billion dollar SKIMS brand.
Fans waited overnight to shop the SKIMS SWIM collection at the Miami pop-up, which featured a giant metallic waterfall and walls of bathing suits.
Kim showed off her SKIMS SWIM collection to her friends and fellow E! reality show alums Olivia Pierson and Natalie Halcro.
Khloe gave her camera a kiss as she partied it up with BFF Malika Haqq.
Following a visit to the SKIMS SWIM Miami pop-up shop, Kim and Khloe headed to SWAN for a star-studded dinner party.
Kim was all smiles alongside model Candace Swanepoel, who wore a revealing sheer ensemble to the bash.
Kim struck a pose at the party alongside Madonna's daughter Lourdes Leon, who rocked a hot pink bustier paired with a metallic purple mini-skirt.
Kim announced SWIMS' first swim collection on March 14, sharing Instagram photos of herself in several of the sexy styles and writing, "You've asked, we've listened."