Bieber's day out: Enjoys coffee, greets fans from his car

In pictures doing the rounds on the social media, Bieber was spotted sipping iced black coffee at a popular cafe in a mall in Vashi.

Another video of the 23-year-old Canadian pop star shared on Twitter shows him waving to his fans from his car. 

Throughout his outing in the city, Bieber was accompanied by his bouncers and Salman Khan's personal bodyguard Shera, who also received him at the airport.

The singer landed in Mumbai at around 1.30AM.

The crowd has already started pouring in the DY Patil Stadium in Navi Mumbai where Bieber is scheduled to perform at around 8.00PM.

Celebrities like Anu Malik, Armaan Malik, Sonali Bendre along with son, Arjun Rampal with his two daughters, Alia Bhatt, Sridevi with husband Boney Kapoor and daughters have already made it to the venue.

Arbaaz Khan and Malaika Arora were also spotted.

"Harry Potter" actress Elarica Johnson is hosting the highly-anticipated event.

DJ Sartek, DJ Zaeden and Norwegian DJ Alan Walker have already opened the concert.