Lady Gaga to co-host American TV and radio show
London: Pop star Lady Gaga is all set to co-host `American Top 40` chart countdown show alongwith Ryan Seacrest.
The 28-year-old `Born This Way` star will take calls and questions from fans as part of the promotional campaign for `Artpop`, reported Contactmusic.
Gaga will wrap up her historic seven-night concert stint at New York`s Roseland Ballroom on Monday.
The fabled venue will shut its doors for the last time after the singer`s final show.