"Baby Don't Forget My Number" is a song by German dance-pop group Milli Vanilli. The track was released in December 1988 as the second single from their debut album, All or Nothing (1988), as well as its American counterpart, Girl You Know It's True (1989). It became the first of their three number-one hits on the US Billboard Hot 100 chart in 1989, earning a gold certification from the Recording Industry Association of America (RIAA). Worldwide, the single reached the top 10 in seven other countries and was certified gold in Australia, where it charted for 36 weeks.