Britney Spears is eager to return to the sets of TV show “How I Met Your Mother”. The pop princess will reprise her guest role as a receptionist named Abby on CBS’sitcom, schedule for May 12th. An insider tells Usmagazine, "She is excited about going back," She enjoyed the experience so much and can"t wait to do it again." The source also remarked that Spears’ rep is confident about the workplace environment. "They were very respectful and he knows she is in good hands. He admires the director and he is confident Britney will shine again," the insider said. Executive producer Craig Thomas admitted being happy with the singer’s comeback to the show, he claimed, "We're all so thrilled to have Britney joining us once again."