DUBAI, UNITED ARAB EMIRATES – MARCH 26: Janet Jackson performs after the Dubai World Cup at the Meydan Racecourse on March 26, 2016 in Dubai, United Arab Emirates. (Photo by Francois Nel/Getty Images) JANET JACKSON is pregnant with her first child, according to reports. Sources tell ET Online the “Rhythm Nation” singer is expecting a baby with husband Wissam Al Mana, less than two weeks before the singer celebrates her 50th birthday. The news follows Janet’s announcement back in March that she would be canceling the rest of her Unbreakable World Tour to focus on starting a family. “We’re in the second leg of the tour and there actually has