Faith Hill will join forces with late-night talk show host Conan O'Brien to help out the 23rd Annual Bob Costas Benefit for SSM Cardinal Glennon Children's Medical Center next spring.

Conan will lighten the mood at the Fox Theatre in St. Louis, Mo. April 2, prior to Faith taking the stage with a rare performance.

All proceeds from the event will benefit St. Louis' Bob Costas Cancer Center, which was established more than 40 years ago. The center is a vital part of Cardinal Glennon hospital and contains a four-bed bone marrow/stem cell transplant unit and a pediatric research center, among other features.

The Bob Costas Cancer Center was named in honor of sports broadcaster Bob Costas, for his dedication to the children of St. Louis and beyond. Through Costas' efforts, more than $10 million has been raised to deliver some of the most advanced medical care available anywhere in the world.

Tickets to the fundraiser are on sale now, priced from $35 - $125. Sponsorship levels that include pre-show dinner options are also available. To purchase tickets, call (314) 577-5605 or visit the SSM Cardinal Glennon Children's Medical Center's website here.

Faith's latest song is 'Give In to Me,' which she recorded for the 'Country Strong' movie soundtrack. 'Country Strong,' which stars Faith's hubby, Tim McGraw, and Oscar-winning actress Gwyneth Paltrow, hits theaters nationwide January 7, 2011. The movie's soundtrack can be found in stores now.