Article continues below advertisementSuki Waterhouse is celebrating her birthday with sun, sand and sultry swimsuits.The actress, 34, stunned in an array of skimpy bikinis while ringing in another year on Wednesday, January 5.Waterhouse donned a triangle-shaped, bright yellow top as she lounged on a matching striped beach towel. Her hair was swept into a messy bun underneath a gray baseball cap, and she sported a silver necklace with large heart and star pendants.Article continues below advertisementSource: @sukiwaterhouse/InstagramSuki Waterhouse enjoyed a tropical vacation.