Shortly after the trio signed to the label, adult contemporary artist Jim Brickman chose Lady Antebellum to sing on his 2007 single "Never Alone," which reached #14 on the Billboard adult contemporary charts. In mid-2007, Lady Antebellum also wrote a song for the MTV reality television series The Hills. Their solo debut single "Love Don't Live Here" was released in September of that year, with a music video for the song following in December. This song was the lead-off single to the band's self-titled debut album. Released on April 15, 2008, Lady Antebellum was produced by Paul Worley along with Victoria Shaw, a Nashville songwriter and former solo artist. "Love Don't Live Here" reached #3 on the Billboard Hot Country Songs charts. The album itself was the first album by a new duo or group to debut at Number One on the Billboard Top Country Albums charts. A second single, "Lookin' for a Good Time", was issued in June 2008 and peaked at #11 in December. In addition, Lady Antebellum was signed as an opening act on Martina McBride's Waking Up Laughing Tour in 2008. Lady Antebellum also contributed the song "I Was Here" to the AT&T Team USA Soundtrack, a song which peaked at #24 on the Bubbling Under Hot 100 based on downloads. In December 2008, their rendition of "Baby, It's Cold Outside" peaked at #3 on the same chart. Their third official single, "I Run to You", was released in January 2009. It eventually became the trio's first Number One in July 2009. On October 7, 2009 their debut album was certified platinum by the RIAA for shipments of one million copies in the United States. Haywood and Kelley co-wrote labelmate Luke Bryan's 2009 single "Do I", on which Scott also sings backing vocals. This song is the first single from Bryan's second studio album "Doin' My Thing", which was released on October 6, 2009.
In August 2009, the group released their fourth single, "Need You Now", the lead-off single and title track to their second studio album. It debuted at #50 on the Billboard Hot Country Songs chart and became their second Number One hit on the charts for the week of November 28, 2009. The song also reached a peak of #2 on the Billboard Hot 100 and was a number-one hit on the Hot Adult Contemporary chart, making it a crossover hit. A second single, "American Honey", was released to radio on January 11, 2010 and would become their third #1 hit. "Our Kind of Love" was released as the third single from the album on May 31, 2010 and became a #1 single in September, 2010. Their fourth single from this album, "Hello World", was officially released on October 4, 2010. The album debuted at #1 on the Billboard 200 and Top Country Albums charts for the week of Feb. 2, 2010, selling 480,922 copies in the first week. Four weeks after the album's release, it was certified platinum by the Recording Industry Association of America. On April 28, 2010, they performed on the results show of American Idol, performing "Need You Now". On September 20, 2010, they launched their first headlining tour, "Need You Now 2010" in Orlando, Florida. On October 28, 2010, they performed the National Anthem before Game 2 at the 2010 World Series. Lady Antebellum appeared on the 44th Annual Country Music Awards on Nov.10, 2010. Since, Lady Antebellum won the Country Music Association Awards New Artist of the Year award in 2008, they have accumulated seven more awards, including their first Grammy in 2010 for Best Country Performance by Duo or Group with Vocals. At the 2009 CMA's, the group ended Rascal Flatts' six-year reign as Vocal Group of the Year. At the 2010 CMA's, the group became the first artist in CMA Award history to receive the Single of the Year honor for two consecutive years.