From a dreamy doc to a desperate housewife to a hip-hop mogul, more celebrity parents are seeing double these days with baby twins. USA TODAY's Carol Motsinger checks out which couples are having twice the fun with new additions.

--Sean "Diddy" Combs, 37, and Kim Porter, 36

Relationship: The rapper, hip-hop mogul and fashion designer has been dating the former model and actress since 1994. (They broke up in 1999 and reconciled in 2003.)

New arrivals: Daughters D'Lila Star and Jessie James were born Dec. 21.

Other kids: The couple have a son, Christian, 8. Combs has a son, Justin, 13, with stylist Misa Hylton-Brim, and Porter has a son, Quincy, 15, with singer Al B. Sure.

--Marcia Cross, 44, and Tom Mahoney, 49

Relationship: The 'Desperate Housewives' actress married the stockbroker in June.

New arrivals: Daughters Eden and Savannah were born Feb. 20.

Other kids: These are their first children.

--Angela Bassett, 48, and Courtney B. Vance, 46

Relationship: 'The How Stella Got Her Groove Back' actress and the former 'Law & Order: Criminal Intent' assistant district attorney married in 1997.

New arrivals: Surrogate son Slater Josiah and daughter Bronwyn Golden were born Jan. 27, 2006.

Other kids: These are their first children.

--Patrick Dempsey, 41, and Jillian Fink, 40

Relationship: Grey's Anatomy's Dr. McDreamy married the stylist in 1999.

New arrivals: Sons Darby Galen and Sullivan Patrick were born Feb. 1.

Other kids: They have a daughter, Tallulah, 5.

--Melissa Etheridge, 45, and Tammy Lynn Michaels, 32

Relationship: The singer, who took home an Oscar Sunday for her song from 'An Inconvenient Truth', exchanged vows with the actress in 2003.

New arrivals: Son Miller Steven and daughter Johnnie Rose were born Oct. 17.

Other kids: Etheridge has daughter Bailey Jean, 10, and son Beckett, 8,with former partner Julie Cypher.

--Diana Krall, 42, and Elvis Costello, 52

Relationship: The singers have been married since 2003.

New arrivals: Sons Dexter Henry Lorcan and Frank Harlan James were born Dec. 6.

Other kids: Costello has a son Matthew, 32, with previous wife Mary Burgoyne.