Mariah Carey has called off her birthday concert at Brussels’ Forest National. The pop diva cancelled her plans due to safety issues following the Brussels’ terrorist attacks.

However, the chance of it pushing through later is unknown, TMZ reported. To date, her team has no plan of rescheduling, the website revealed. Carey posted the message to her fans via Twitter.

TMZ learned earlier that her security team strongly advised Carey not to push through with the Sunday concert.

The website cited the reasons given by her security. First, she’s engaged to a billionaire. Second, it’s her birthday concert. Third, people may have a hard time getting to the venue since the airports are closed.

Mariah Carey was recently engaged to Australian billionaire James Packer. The pop diva is currently touring Europe for her ‘Sweet, Sweet Fantasy Tour’. Her fraternal twins with ex-husband Nick Cannon joined her on tour, Mail Online reported.

Billboard reported about her European tour in December after its announcement. The series started last March 15 in Glasgow, Scotland. Her Brussels’ concert coincided with her birthday on March 27. The pop diva turns 46 this year.

At present, the US State Department issued a travel warning to Europe for American travellers.

Belgian authorities also asked the tolerance of people for air and rail services in the country following the terrorist attacks.

In light of the cancellation, Roger Daltrey sent out a strong message to musicians who will perform in the continent. cited Daltrey’s statement to TMZ.

“We have to carry on. We can’t stop,” Daltrey said.

“We have to go on with our lives. We can’t let this stop–otherwise it’s won, terrorism’s won. We can’t let that happen,” Daltrey declared when asked if his group The Who would perform in Europe.

“Keep calm and carry on,” Daltrey ended his statement by quoting the famous British phrase.