The schedule for "A New Day," Celine Dion [ tickets ]'s popular Las Vegas production, is now set through July, and the latest batch of tickets for the show will hit the market Sunday (1/2).

According to a press release, tickets for Dion's April 13-May 1 appearances will go on sale at 10 a.m. Pacific Time. Ticket on-sale information for shows after May 1 hasn't been announced.

The French-Canadian singer debuted her Las Vegas show in March of 2003, and played about 150 nights during her inaugural year at The Colosseum, a venue built at Caesar's Palace specifically for the production.

In 2004, the show--which features a cast of 48 dancers and plays to a crowd of more than 4,000 fans each night it's live--marked its 1 millionth ticket sold.

The production plays Wednesdays through Sundays during select weeks. It ranked second on concert-industry magazine Pollstar's year-end list of 2003's top-grossing live shows, taking in $80.5 million. It also ranks second on Pollstar's just-released 2004 list, with a gross of $80.4 million.

In October, Dion released "Miracle," a collaboration with baby photographer Anne Geddes consisting of a CD, DVD and a book. Dion recorded 13 songs for the project, including the new title track and her renditions of classics including "Brahms Lullaby," "What a Wonderful World" and "Beautiful Boy."

The CD "A New Day ... Live in Las Vegas," which features 13 live tracks and 2 new studio tracks, was issued in June. The CD's first pressing also includes a bonus DVD with a 45-minute documentary dubbed "One Year, One Heart," which follows Dion through the recording process and the creation of the Las Vegas show.