Louis is Harry's baby, And everyone knows it. ??? Louis Tomlinson is a 19 year old boy that loves being babied by the famous 24 year old Harry Styles. He lives in Harry's mansion and is always there when Harry needs him. He also has a sub brother Luke, they share harry, but sometimes Louis can get a little jealous and run his mouth which makes Harry very upset. And Louis hates upsetting Harry. Quick side note there won't be many complications or anything like that just baby Louis and daddy Harry, so if you like this stuff this is for you :)