Los Angeles, April 15: Popular pop band Backstreet Boys star Kevin Richardson is set to become a father for the second time.The singer took to Twitter to announce that his wife Kristin is pregnant, reports contactmusic.com.Posting a photo of his pregnant partner, he wrote: "So excited to share...The Easter Bunny brought a very special egg this year."The couple already has a five-year-old son, called Mason.
