Xu Mengjie

Xu Mengjie (born 19 June 1994), also known as Rainbow Xu, is a Chinese singer and actress. She is a former member of the Chinese girl group Rocket Girls 101.

Early life
Xu Mengjie was born on June 19, 1994, in China, Jinhua City, Zhejiang Province. Since the age of 12, she has been helping her parents in managing their own barbecue restaurant, and is well-known as "Cold Drink Beauty." She used to be a dancer and sprinter before pursuing her dream to become an idol.

2015–2017: Career beginnings
Xu Mengjie made her debut in the show business when she joined LadyBees in 2015 as a member of Hive team SH1. Her exceptional skills and dedication quickly propelled her to the forefront, as she ranked 1st in the only LadyBees election. She subsequently transferred to Team Wind in 2017, and later left the group in 2018 after the group's disbandment.

2018–2020: Produce 101 China, Rocket Girls 101
Xu, alongside two members of LadyBees, was selected to represent Zimei Tao Culture in the 2018 girl group survival show Produce 101 China. Throughout her time on the show, she was known as the dark horse, as she never managed to secure a spot within the top 11 rankings until the finale. However, with a total of almost 84 million votes, Xu ultimately finished the show at rank 11, solidifying her position and securing a debut spot in Rocket Girls 101.

On June 23, 2018, the same day of the finale of Produce 101 China, Xu officially debuted as a member of Rocket Girls 101 and released their debut song titled "Rocket Girls."

In 2019, Xu starred as the protagonist for her first drama debut with Youku's youth web-series, Project 17: Spike, where she portrayed the role of Lin Wei.

Two years since her debut in Rocket Girls 101, the group officially disbanded in 2020. After the group's disbandment, Xu returned to her original company to continue her career as a soloist. Later on, she appeared in the Tencent Video sports reality show, Supernovae Games 3 where she earned the nickname "Demon King" as she currently holds the fastest record for 50M dash in the show.

2021–present: Solo career and rising popularity
In January 2021, Xu terminated her contract with Asian Music Group (AMG), and established her own company, Beijing Hongtao Culture Communication Co., Ltd., as well as her own studio, Rainbow Dreamworks. Leading up to her own company establishment, Xu made her solo debut on June 18th by releasing her first extended play titled 11.

In August 2021, Xu starred as a female protagonist in the 2021 Mango TV's youth campus drama Our Secret, based on the popular Chinese novel Secrets in the Lattice. After landing the role of Ding Xian, Xu's popularity skyrocketed, launching her into stardom.

Continuing her success as an actress, Xu joined as one of the lead cast of a hit drama, Twenty Your Life On for its second season. The series premiered on August 17, 2022 with 40 episodes.

In 2023, Xu signed an exclusive contract with Easy Entertainment, after managing herself since 2021.

Public image
Xu Mengjie is well-known for her unique rainbow eye smile. Everytime she smiles, her eyes crease into a rainbow shape, hence her nickname Rainbow. After appearing in the 2021 Mango TV's variety show Wow! Nice Figure 3, Chinese media and her fans have since recognized her as one of the sweet girls in the Chinese entertainment industry.

Fashion and endorsements
Aside from various endorsements with her Rocket Girls 101 bandmates, Xu has promoted various products and featured in numerous advertisements. During her trainee years in LadyBees she appeared multiple times in a commercial video for McDonald's in China. In 2019, Marc Jacobs Daisy Love Lady Eau de Toilette was launched, and it was announced that Xu became the promotion ambassador of Daisy Love Fragrance. In 2020, she become a model and appeared in a promotional video for Olay and Skechers. In the same year, she was selected as one of the ambassador of Move Free where she served as the face of their new product.

Starting her career as soloist, Xu become the commercial model for FANCL in 2021. The following month she was chosen as the first ever brand spokesperson of a Chinese clothing brand ELAND. In 2022, Seventeen Light Years, a luxury low-alcohol fruit wine collaborated with Twenty Your Life On 2 and selected Xu as their brand ambassador. In 2023, she was announced as the youth brand ambassador for Skechers in China.