Rebecca Romijn, born Rebecca Alie Romijn on November 6, 1972, in Berkeley, California, is an American actress and former model. Her father, Jaap Romijn, is Dutch, and her mother, Elizabeth Romijn (née Kuizenga), is American with Dutch ancestry.

She grew up in a creative environment; her father is a custom furniture maker, and her mother is an English as a Second Language (ESL) instructor and textbook author. She attended Berkeley High School, where she was nicknamed the "Jolly Blond Giant" due to her height of 5 feet 11 inches.

Rebecca Romijn initially pursued a career in music, studying voice at the University of California, Santa Cruz, but soon transitioned into modeling after moving to Paris. She quickly rose to fame, appearing on the covers of numerous international fashion magazines such as Elle, Marie Claire, Cosmopolitan, and Sports Illustrated.

She also worked with top brands like Victoria's Secret, Christian Dior, and Escada. Rebecca's modeling career spanned over a decade before she decided to focus on acting.

Her acting career took off with her role as the shapeshifting mutant Mystique in the X-Men film series (2000-2006). Her performance was widely acclaimed, and she reprised the role in several other Marvel projects. She also starred in films like Femme Fatale (2002), The Punisher (2004), and Endangered Species (2021).

On television, she is known for her roles in Ugly Betty, The Librarians, and Star Trek: Discovery, where she plays the character Una Chin-Riley.

In her personal life, Rebecca Romijn has been married twice. Her first marriage was to actor John Stamos in 1998, which ended in divorce in 2005. She later married actor Jerry O'Connell in 2007, and the couple has two children, Dolly and Charlie.