Hollywood actress Liv Tyler, who played the elf princess Arwen in "The Lord of the Rings" trilogy, had given birth to a son, Us Weekly magazine reported Wednesday.

Tyler, daughter of the Aerosmith band's lead singer Steven Tyler and model Bebe Buell, gave birth to her son in New York Tuesday.

Both Tyler and her son, who was not named yet, were doing great, according to Tyler's publicist Stephen Huvane.

Tyler, 27, is married to Royston Langdon of the band Spacehog in March 2003. Her screen credits also included "Jersey Girl" and "Armageddon."