Bristol Palin's former fiancé says the couple shared a room at Sarah Palin’s home, and the governor was wise to what was going on, Us reports. “I'm pretty sure she probably knew,” Levi Johnston tells Tyra Banks in an interview. “Moms are pretty smart.” Johnston says he and Bristol, who have a 3-month-old son, practiced safe sex “most of the time.”
Although the couple called off their engagement last month, Johnston still has a tattoo of Bristol's name on his ring finger, which he shows Banks. His sister also reveals that the family was prohibited from speaking to the press during the campaign. “We were supposed to say that all questions need be brought up to the McCain campaign,” Mercede Johnston says. “Other than that we had to say no comment.” (More Bristol Palin stories.)