He hosted The Weather Channel's miniseries "100 Biggest Weather Moments" which aired in 2007. He was part of the documentary , released in November 2007. He sat in on piano on Bob French's 2007 album "Marsalis Music Honors Series: Bob French". He appeared in the film "P.S. I Love You", released in December 2007. A third album in the "Connick on Piano" series, "Chanson du Vieux Carré" was released in 2007, and Connick received two Grammy nominations for the track "Ash Wednesday", for the Grammy awards in 2008. "Chanson du Vieux Carré" was released simultaneously with the album "Oh, My NOLA". Connick toured North America and Europe in 2007, and toured Asia and Australia in 2008, as part of his My New Orleans Tour. Connick did the arrangements for, wrote a couple of songs, and sang a duet on Kelli O'Hara's album that was released in May 2008. He was also the featured singer at the Concert of Hope immediately preceding Pope Benedict XVI's Mass at Yankee Stadium in April 2008. He had the starring role of Dr. Dennis Slamon in the Lifetime television film "Living Proof" (2008). His third Christmas album, "What a Night!", was released in November 2008.