Justin_Bieber_-_Baby_ft.

"Baby" is a popular song by Justin Bieber featuring Ludacris. Released in 2010, it's known for its catchy melody and youthful lyrics, depicting themes of young love and heartbreak. The song's music video became one of the most-watched on YouTube at the time, and it played a significant role in Bieber's rise to fame as a teenage pop sensation. Ludacris's rap verse adds an energetic contrast to Bieber's vocals, making it a memorable collaboration in pop music history.