Kate Hudson [1] was glowing when she arrived at the Kaleidoscope Ball in LA on Saturday night. The actress, who recently celebrated her 37th birthday [2], kept things sexy in a low-cut dress and was on hand for the children's hospital event, at which she was honored with the Kaleidoscope Award [3]. Kate's latest outing comes at the tail end of a jam-packed week for the actress. Shortly after arriving in the South of France for the Cannes Film Festival [4], she popped up at not one but two parties, where she linked up with pal Heidi Klum [5]. Read on for more of Kate, then check out all the evidence that suggests that she and Nick Jonas might be more than friends [6].