Aboard a yacht in St. Barts, Ellen DeGeneres, 57, and wife Portia de Rossi, 42, joined Styles and Jenner for lunch and frolicking in the sun.
CRYSTAL / PacificCoastNews
Earlier in the day, Kris Jenner and boyfriend Corey Gamble visited the twosome on the yacht. Kris, 60, had flown back to St. Barts after taking a break from her post-Christmas vacation to visit son Rob Kardashian in Los Angeles following a health scare.
RELATED: Kendall Jenner Rules the Versace Runway
On Tuesday, Kenner and Styles, 21, were spotted having lunch together followed by a cozy moment on the yacht, sparking rumors that the pair may have rekindled their former romance.