Dinah Jane

In August 2018, it was announced that Jane had signed a solo record deal with Hitco Entertainment, founded by L.A. Reid and Charles Goldstuck. She released her debut solo single "Bottled Up" featuring Ty Dolla Sign and Marc E. Bassy, along with its lyric video, on September 21, 2018. She performed the single on The Tonight Show Starring Jimmy Fallon in October 2018. Jane performed two new songs "Retrograde" and "I Don't Mind" at the Jingle Bash on December 3, 2018. On March 26, 2019, Jane released the music video to her then-unreleased song "Retrograde". On March 28, she announced a music project that will be released on April 19, 2019, later revealed to be her debut solo extended play, Dinah Jane 1. Jane released a song titled "Heard It All Before", followed by its music video, as the EP's lead single on April 19, 2019. In May, Jane officially released "Retrograde" for digital download and streaming, followed by "SZNS" featuring A Boogie wit da Hoodie in July. On January 2020, she announced her second solo tour following her first few headline shows during 2019. Titled the Dinah Jane World Tour, it was supposed to begin in Arizona in April 2020 and have Jane travel across the United States before performing in selected cities in Europe. Indonesia singer, songwriter Angez Mo was to be her opening act. Coinciding with her tour announcement, Jane announced a new single to be released on Valentine's Day titled "Missed a Spot". However, the single was pushed and released April 2, with an animated visualizer released the following day. The tour was also postponed due to the ongoing 2019-20 coronavirus pandemic.

Fifth Harmony released their debut EP, Better Together in 2013, their first album Reflection in January 2015, and their second album 7/27 in May 2016. Their first two albums generated the singles "Worth It" and "Work from Home", respectively, which reached the top 10 in several international charts. The group also contributed music to the soundtrack of the animated film Hotel Transylvania 2 with their song "I'm in Love with a Monster". They released their third self-titled third studio album, and first as a four member group on August 25, 2017. On March 19, 2018, the group announced an indefinite hiatus to focus on solo projects.

Raised in a musical family, Jane performed in public for the first time while singing the national anthem at the age of seven. She attended Orange County School of the Arts and graduated in 2015. She has cited artists Patti LaBelle, Beyoncé, Leona Lewis, Mariah Carey and Etta James among her musical influences.

In 2015, Jane auditioned for the role of the main character in the then-upcoming animated film Moana; the role eventually went to Auliʻi Cravalho. Fuse's website included Jane on an article of the faces of future Asian and then the Pacific history, naming the most promising entertainers of the region in 2017. She was featured in RedOne's song "Boom Boom" along with Daddy Yankee and French Montana. The single was released in October 2017. The following month, Jane sang the Tongan national anthem "Ko e fasi 'o e tu'i 'o e 'Otu Tonga" at the 2017 Rugby League World Cup semi-final game. Jane released a Christmas medley with singer Leona Lewis in December 2017.

In 2011, she recorded her first single "Dancing Like a White Girl". Jane auditioned for The X Factor in 2012 singing "If I Were a Boy" by Beyoncé. For her bootcamp solo performance she sang "Hero" by Mariah Carey and is the only member from Fifth Harmony to have it aired. She sang against Diamond White for her bootcamp round singing "Stronger (What Doesn't Kill You)" during which she forgot some of the lyrics. She was eliminated during the bootcamp round of competition, but was brought back along with Ally Brooke, Normani, Lauren Jauregui, and Camila Cabello to form the group now known as Fifth Harmony. The group made it all the way to the finals and landed in third place.

Jane has described her music as "urban R&B ... meets '90s to 2000s". Her musical influences are Beyoncé, Leona Lewis, Mariah Carey and Etta James.

Dinah Jane Milika Ilaisaane Hansen (/ˈ d aɪ n ə / ; born June 22, 1997) is an American singer, songwriter, and a former member of multi-platinum girl group Fifth Harmony. In October 2017, she featured in RedOne's single "Boom Boom" with Daddy Yankee and French Montana. After the group's hiatus announcement in 2018, Jane signed as a solo artist with L.A. Reid's HitCo Entertainment. Her debut solo single "Bottled Up" featuring Ty Dolla Sign and Marc E. Bassy was released on September 21, 2018, followed by her debut extended play, Dinah Jane 1, in early 2019.