Conversation so far:
Were all of Atomic Kitten present for the reunion?
In March 2012, Hamilton confirmed that the group were reuniting for a summer tour.
What songs did Atomic Kitten perform at the reunion?
Atomic Kitten's setlist consisted of Right Now, The Tide Is High (Get the Feeling), and Whole Again.
Did Atomic Kitten release a new album during the time of their reunion?
In December 2013, Atomic Kitten recorded their first new material in ten years when, they recorded a Christmas charity single for Text Santa.
Did the single for Text Santa by the Atomic Kittenssell a lot of copies?

Question: What did it top in the US
Self-contained rewrite: What did the Atomic Kitten's single for Text Santa top in the US?