It's the dream of any business owner worldwide to have one of their products endorsed by a mega-celeb, and right now, they don't come much bigger than Ariana Grande.
The 'thank u, next' vixen has just released her latest track 'break up with your girlfriend, I'm bored', with the video featuring a stunning beauty product from a famous Irish brand.
Marissa Carter's 'Carter's Beauty Supreme Gel Liner' was chosen by Ariana's makeup artist Rokael Lizam to achieve her signature sultry winged-liner look:
Costing only €4.95 and with all that free marketing, we reckon you stockpile before it's sold-out.

Dermot and Dave caught up with Marissa to find out how it all unfolded.
Check out the chat in full by pressing the play button on screen.