Actress Nicollette Sheridan has reportedly been taking yoga classes to enhance her fertility at a studio owned by her Desperate Housewives co-star Brenda Strong. Strong, who provides the voice for the show's 'dead' narrator Mary Alice Young, owns the Yoga Villa in North Hollywood, California, and holds special classes called Yoga 4 Fertility. Sheridan, who is engaged to singer Michael Bolton, has reportedly become a regular at the popular yoga sessions. A source tells America's Star magazine, "When Nicollette came out of the class, she was absolutely glowing. "She was gushing to a friend that she hopes the classes work." The 42-year-old actress is currently childless, while Bolton has three grown daughters from his previous marriage.