Gráinne and Síle Seoige will be among Ryan Tubridy's guests on 'Tubridy Tonight' on Saturday night.
Also joining Tubridy at 9.50pm on RTÉ One on Saturday will be Peaches Geldof, 'The House Bunny' star Anna Faris, TV presenter Craig Doyle and singer Sharleen Spiteri.
Commenting, host Tubridy said: "We have a very glamorous line-up this week. I'm looking forward to getting the low-down from the Seoige sisters on their new show and what it's like working with your sibling.
He continued: "We've got some Hollywood glamour with American actress Anna Faris, the star and producer of American comedy 'The House Bunny'. And I've read so many stories about Peaches Geldof that it's going to be interesting to find out what she's really like and how Bob [Geldof, father] reacted to the news of her getting hitched in [Las] Vegas."
Gráinne and Síle Seoige's new series, 'Seoige', begins on RTÉ One on Monday 6 October at 4.25pm.