Paul Westerberg (born December 31, 1959) is an American musician from Minneapolis, best known as the former lead singer and songwriter of The Replacements, one of the seminal alternative rock bands of the 1980s. Since The Replacements broke up in 1991, Westerberg has recorded several solo albums under his own name as well as the moniker Grandpaboy, and written songs for movies including Singles and the recently released Open Season. Westerberg has one son.