Little Mix are a British girl group, consisting of group members Jade Thirlwall, Perrie Edwards, Leigh-Anne Pinnock, and previously Jesy Nelson until her departure from the group in December 2020. The group rose to prominence in the 2010's, after becoming the first group to win the eighth series of The X Factor UK. The group's music style is of pop, R&B and dance-pop, with influences from other genres including tropical house, latin pop, and electronic music. Their lyrics are often focused around feminism, gender equality, LGBTQ+ rights, body positivity, and sexism.

Little Mix are one of The X Factor's most successful acts from the original UK version. The group have had five number-one singles on the UK Singles Chart and achieved the most number-one singles for a winning act from the show. In 2021, Little Mix became the first girl group to spend a 100 combined weeks inside the top ten of the UK Singles Chart. The group have released six studio albums, five of which have been certified Platinum by the British Phonographic Industry. In 2018, they became the first girl group to have five consecutive top-five studio albums in the United Kingdom.

Little Mix have released six studio albums and one compilation album, DNA (2012), Salute (2013), Get Weird (2015), Glory Days (2016), LM5 (2018), Confetti (2020), and Between Us (2021). Their debut album DNA, is the highest-charting entry on the US Billboard 200, for a debut album by a British girl group. Glory Days became Little Mix first number-one album on the UK Albums Chart. The album spent five weeks at number one, the most for a girl group since Spice Girls' debut album. It became the fastest-selling number-one album by a girl group in fifteen years and achieved the highest first-week UK album sales for a girl group since Spiceworld. Glory Days is the longest charting girl group album inside the top 40 on the UK Albums Chart. In 2021, Between Us was named as one of Sony Music's top ten best-selling albums globally of that year.

Little Mix are one of Britain's biggest selling acts and one of the best-selling girl groups of all time, with estimated sales from 50 million worldwide. The group are known for their strong vocals and also signature harmonies. Little Mix have been named as one of the greatest girl groups of all time and the biggest girl group of the 2010s. In 2018, Forbes, named them as one of the most influential acts in Europe. They are listed by Debrett's as one of the most influential people in the UK with a net worth of £60 million. In 2021, Little Mix became the first female group to win the Brit Award for British Group. Their accolades include two Brit Awards, seven MTV Europe Music Awards (the most wins for Best UK & Ireland Act), two Japanese Gold Disc Awards, four Glamour Awards, a iHeartRadio Music Award and three Guinness World Record. In 2022, the group went on indefinite hiatus, allowing its members to pursue solo projects.