I got a question for you: "Somebody's Watching Me" is a song recorded by American singer Rockwell, released by the Motown label on January 14, 1984, as the lead single from his debut studio album of the same name. Rockwell's debut single release, the song features guest vocals by brothers Michael Jackson (in the chorus) and Jermaine Jackson (additional backing vocals).

Based on this passage, who sings i always feel like someone is watching me?
Let's think first:
The relevant information to answer the above question is: "Somebody's Watching Me" is a song recorded by American singer Rockwell, released by the Motown label on January 14, 1984, as the lead single from his debut studio album of the same name.
Therefore, the answer is American singer Rockwell.