HOLLYWOOD, Calif. — Heidi Klum and Seal are seeing pink.

The Grammy-winning singer confirmed that the couple is expecting a baby girl during an appearance on Friday's "Oprah Winfrey Show."

While the pair had been keeping the sex of their newest addition on the down-low, Seal told the host that the German-born supermodel simply "can't keep a secret."

Seal, 46, and Klum, 35, announced that they were expecting their third child together in April. The couple, who married on a beach in Mexico on May 10, 2005, is already proud parents to sons Henry Günther, 3, and Johan Riley, 2.

Klum also has a 5-year-old daughter, Leni, from a previous relationship with Italian businessman Flavio Briatore.

Klum and Seal's newest baby will arrive in the fall.