Who is the woman in the new priceline.com commercial?

The woman in the new Priceline.com commercial is actress and comedian Melissa McCarthy. She is known for her roles in films such as "Bridesmaids" and "Spy," and her energetic and humorous style has made her a popular choice for advertising campaigns. In the commercial, she showcases the benefits of using Priceline for travel bookings in her signature comedic manner.