So who exactly is Frankie? Allow us to explain, with nine facts in 90 seconds…
1. Frankie’s full name is ridiculously long
Ready? He’s actually called Frank James Michael Grande Marchione. Phew.
2. He’s pretty close to his famous sister
At 33, Frankie is the older, half-brother of ‘Into You’ singer Ariana. The pair have been pictured together a number of times over the years, and Frankie often accompanies his sibling to red carpet events
3. Frankie is no stranger to reality TV
Frankie’s TV career began in 2014, when he appeared on the regular version of ‘Big Brother’ in the US. He then went on to be a judge on ‘America’s Best Dance Crew’
4. He’s performed in - and produced! - Broadway shows
Frankie’s on-stage credits include ‘Rock Of Ages’ and ‘Mamma Mia!’, while in 2009 he produced a version of ‘Hamlet’ starring Jude Law.
5. And Frankie’s already pretty famous on YouTube too
He’s posted many videos over the years, clocking in a decent amount of views. Seriously, is there anything this guy can’t turn his hand to?
6. But don’t expect him to be an airhead
After triple-majoring - that’s when you specialise in three different subjects at degree level over in the States - at university, he took a year out before medical school, which is when the performing arts came calling.
7. He’s charitable
In 2008, Frankie co-founded Broadway In South Africa, a not-for-profit organisation that travels to the country to teach performing arts to kids.
8. Frankie has plenty of A-list pals
Yup, that’s him and US talk show host Jimmy Fallon.
9. But he’s not afraid of getting into a feud
Over the years, he’s thrown shade at A-listers including Selena Gomez, so don’t expect him to mince his words in the house.
'Celebrity Big Brother' airs nightly on Channel 5.