Underwood's triumph follows in the footsteps of second season runner-up Clay Aiken's "This Is the Night" in 2003 and third-season winner Fantasia "I Believe" in 2004, the report said.
"Inside Your Heaven" also debuts at No. 1 on the Pop 100, where Gwen Stefani's "Hollaback Girl" falls to No. 4 after eight weeks on top.
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