The 10 biggest movie flops of 2015 (so far)

The Bill Murray film Rock the Kasbah has topped a list of the biggest box-office flops of 2015.

Comparing worldwide takings with production costs, the list, by Forbes, exposes the films that left cinema-goers wishing they had stayed at home.

Here are this year's 10 worst performers (with their trailers below):

1. Rock The Kasbah

2. The Gunman

3. Blackhat

4. Unfinished Business

5. Jem And The Holograms

6. Self/Less

7. American Ultra

8. We Are Your Friends

9. Aloha

10. Mortdecai

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