Singer Alanis Morissette announced, this Wednesday, that she’s expecting her first son. She, who got married in June with rapper Mario “Souleye” Treadway, posted on her Twitter account “yes, happy news….i’m pregnant :) we’re so excited to start our family….” It seems August is off to a good start in the music business as Lily Allen just revealed; she too, is pregnant with her first baby.