Lets or let's

[princessx]

Quick question - I know lets is short for let us, does that mean it has to have the apostrophe?

[Greythorne]

Yes

[ChoudeBruxelles]

Yes

[princessx]

Wow thx for quick replies!

[iklboo]

Unless you're saying 'he lets his flat to his friend'.

[PhyllisDoris]

Use an apostrophe when there's a letter missing, so yes