Derry-born star Nadine Coyle is to be a panellist on a new RTÉ One gameshow along with NSYNC's Joey Fatone.
The singer, formerly a member of Girls Aloud, will help judge acts on karaoke show Last Singer Standing, hosted by Westlife's Nicky Byrne.
Dublin singer Samantha Mumba will be the third panellist on the show, announced as part of RTÉ's new season of programmes.
New dramas include the eight-part crime saga Kin starring Belfast actor Ciarán Hinds, Clare Dunne, Aidan Gillen, and Maria Doyle Kennedy; comedy-drama The Dry, also starring Hinds and The Fall's Roisin Gallagher, and Harry Wild, with Dr Quinn, Medicine Woman star Jane Seymour as a retired English professor turned sleuth.
Love Island star Maura Higgins will present Glow Up Ireland - a contest showcasing Ireland's best amateur make-up artists.
Presenter Angela Scanlon will host Ask Me Anything, a chat show promising "plenty of surprises and revelations when Angela chats with guests who have agreed to be asked about absolutely anything".
'Celtic noir' series Smother will return for a second series.
Also returning are Room to Improve, First Dates Ireland, Ireland's Fittest Family and The Style Counsellors.
RTÉ Director General Dee Forbes said 40 hours of Irish drama will be broadcast over the next few months.
"Along with new entertainment shows and formats, we will welcome new faces and voices on our air as we support and seek out new Irish talent," she said.
