How old are the girls in little mix 2013?

In 2013, the members of Little Mix were as follows: Perrie Edwards was born on July 10, 1993, making her 20 years old; Jesy Nelson was born on June 14, 1991, making her 22 years old; Leigh-Anne Pinnock was born on October 4, 1991, also making her 22; and Jade Thirlwall was born on December 26, 1992, making her 20 years old.