Titled How To Be a Bawse: A Guide to Conquering Life, the guide book was released on 28 March 2017.
On 6 March 2017, she released her tour dates for her worldwide book tour.
Punjabi culture is frequently portrayed in her videos, which also contain satirical takes on everyday life and people's favorite complaints.
Her most popular video is How Girls Get Ready and her most popular series features her fictional parents, Paramjeet and Manjeet, both played by Singh herself, reacting to trending and controversial videos.
In October 2010, Singh started a You Tube channel under the pseudonym "IISuperwoman II".
She has explained that the name Superwoman was prompted by a childhood idea that she had an invisible "S" on her chest, making her believe she can do anything.
Singh also includes an "Lilly Live" segment (previously Ask Superwoman Live) on her main channel.
During this 1 hour live segment, she has her fans ask her questions through social media platforms and has guests to interview on the live stream.
Singh rapped in the song Mauj Ki Malharein, which played in the Bollywood drama Gulaab Gang in August 2014.
On 8 August 2016, Singh released a visual music piece on You Tube, titled "Voices".
The piece includes five songs portraying the "voices in her head". The songs included are a mix showing signs of boasting, fear of loneliness, lust, goofiness, and positive views promoting global peace.
She was in the region to promote her book and rushed the audition at her agent's urging around 2 a.m. Her tour covered India, Australia, Hong Kong, Singapore, UK, Dubai, Canada, Trinidad and Tobago, and the United States.
Singh's vlog channel shows the planning of the tour, including dietary changes and rehearsing with her team.
She documented the tour in her first feature movie, A Trip to Unicorn Island, which also describes how You Tube fame is affecting her life.