Their song "Lak 28 Kudi Da" reached number one on the BBC Asian Download Charts in May 2011, serving as a promotional track for Dosanjh's film Lion of Punjab.

By 2012, Singh had set a record for the highest fee ever paid to an artist for a Bollywood song, reportedly receiving ₹7 million rupees (US$84,000) for tracks in the movies Cocktail and Mastan.

His popularity surged on YouTube with two of his videos— "Brown Rang" and "High Heels" (a collaboration with Jaz Dhami)—ranking among the top trending videos that year.

The song, known for its sleek production and catchy hook, became an instant hit, showcasing his versatility in blending Hindi and English lyrics with an international sound.

The track featured Hrithik Roshan and Sonam Kapoor in the music video and went on to become a massive hit, breaking numerous records on YouTube.

[citation needed] His debut song in Bollywood films was "Shakal Pe Mat Ja", featuring Gagan Sidhu.

The following year, Singh appeared in another Punjabi film, this time a comedy by Amit Prasher, Tu Mera 22 Main Tera 22, as Rolly, a childish and spoilt brat, alongside Amrinder Gill.

His early career included producing music for Bollywood films and independent albums, which gained him significant popularity.

[7] After overcoming significant health challenges, Singh made a comeback in 2018 with the track "Makhna", which re-established him as a prominent figure in the Indian music scene.

Continuing his momentum, Singh released "First Kiss" in 2021, featuring Ipsitaa Khullar, followed by "Saiyaan Ji", a collaboration with Neha Kakkar, which became a hit.

In 2024, Singh launched his album Glory, featuring 18 tracks, including "Millionaire", "Rap God", and "JATT MEHKMA".

This album marked a significant milestone in his career and received widespread acclaim, with multiple songs trending on music streaming platforms.

[35] A first information report (FIR) was lodged against Singh for his offensive lyrics, and a group of social activists filed an online petition demanding cancellation of his New Year performance at a Gurgaon hotel.

Producers of the movie had to submit a petition in Delhi High Court claiming that they had 'muted' an alleged vulgar word in Singh's song.

The court heard a petition filed by lawyer Sanjay Bhatnagar seeking a stay on the film, contending that without the censor board's approval, the song could not be released with such a vulgar word.