The Tullamore based artist has been working on it for months.
An Offaly man is showing off his artwork on the Late Late Show.
Tullamore-based artist Vincent Devine has been working on a portrait of cancer campaigner Vicky Phelan for the last few months.
It was created to raise money for the Hereos Aid charity, which supports frontline medical workers .
The finished piece will be unveiled on RTÉ 1 tonight.