Kelis, the singer/songwriter best known for her 2003 hit song "Milkshake," has given birth to her second child, E! News reported. A big "congratulations" is in order for the recording artist and Le Cordon Bleu-trained chef who is "thrilled" to have welcomed a new baby boy last month.

"Kelis has a healthy baby," a source close to the 36-year-old singer told E! News. The source also said that she gave birth in November, but details like the child's name or the identity of the baby's father are still unconfirmed.

But the "Bossy" singer, who released her first cookbook titled "My Life On A Plate" in October, has been linked to real estate agent Mike Mora in the past. It's rumored that the two secretly tied the knot, according to the Daily Mail. An unverified Instagram account under Mora's name featured recent posts of Kelis, and Mora referred to her as his "wife" in various captions. The most recent post featured a shot of a blue trash bag filled with baby diapers, with the hashtag "#daddylife" in the caption.

Kelis announced her pregnancy in August at the Afropunk Festival in New York City, where she debuted her baby bump while performing onstage, as previously reported by HNGN. The singer is already a mom to 6-year-old Knight, whom she shares with her rapper ex-husband Nas.

"My son is excited to be a brother and I'm thrilled," she told Us Weekly in September. "With my cookbook coming out and a new baby, it's a really exciting time for us."