CoStar is a lifestyle app available on iPhone that allows users to connect directly with their favorite celebrities. With CoStar, users can participate in live video chats called FanCasts by submitting questions ahead of time. This unique feature gives fans the opportunity to engage with their favorite celebrities in real-time.

Another exciting feature of CoStar is StarCasts, which are one-way live streams where celebrities share live videos with their fans. This allows fans to get an exclusive glimpse into the lives of their beloved stars.

CoStar also offers an extensive library of archived videos, where users can access and view previous events. Whether it's a past FanCast or StarCast, users can catch up on any content they may have missed.

In addition to the interactive features, CoStar provides exclusive news articles from and about partnered celebrities. Users can stay up to date with the latest happenings in the celebrity world through this dedicated news section.

Furthermore, CoStar includes a forum section where users can engage in discussions with other fans. This creates a community where fans can connect and share their thoughts and opinions.

Please note that CoStar offers premium subscriptions to grant access to content on some channels. These subscriptions are auto-renewing and charged monthly to your iTunes account. Subscribers gain access to news articles, forum posts, video on demand, and live streams within the subscribed channel.