The We Found Love singer has reportedly reserved O'Donoghue's pub in Dublin to celebrate the occasion with her crew and friends.
Rihanna, who is in the Irish city for the latest date of her Loud Tour, has decided to treat them to a traditional turkey feast.
The pub, which is situated on Baggot Street, is said to be a favourite of U2 frontman Bono.
A source told British newspaper the Daily Star: 'She's handpicked a special menu laid on by top French restaurant Hugo's, which is across the street from the traditional Irish boozer.
'Rihanna and her crew have been on the road for a long time and they're all missing out on sharing the traditional Thanksgiving dinner with their families.'
The 23-year-old and her friends will be chowing down on a traditional Thanksgiving menu, which includes a dessert of apple cobbler with biscuit crumble.