![Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article5508435.ece/ALTERNATES/s615b/Gemma-Arterton.jpg)
Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online
![Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article5508426.ece/ALTERNATES/s1200c/GemmaGillianOlivierAwardsMain.jpg)
Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online
![Gemma Arterton almost falls out of her dress at 2015 Olivier Awards | Celebrity News | Showbiz & TV | Express.co.uk Gemma Arterton almost falls out of her dress at 2015 Olivier Awards | Celebrity News | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/79/590x/secondary/gemma-arterton-275559.jpg)
Gemma Arterton almost falls out of her dress at 2015 Olivier Awards | Celebrity News | Showbiz & TV | Express.co.uk
![Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article5508554.ece/ALTERNATES/s615/Kimberley-Walsh.jpg)
Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online
![Gemma Arterton almost falls out of her dress at 2015 Olivier Awards | Celebrity News | Showbiz & TV | Express.co.uk Gemma Arterton almost falls out of her dress at 2015 Olivier Awards | Celebrity News | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/79/590x/secondary/gemma-arterton-275555.jpg)
Gemma Arterton almost falls out of her dress at 2015 Olivier Awards | Celebrity News | Showbiz & TV | Express.co.uk
![Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article5508434.ece/ALTERNATES/s615b/Gemma-Arterton.jpg)
Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online
![Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online](https://i2-prod.mirror.co.uk/incoming/article5508061.ece/ALTERNATES/s615b/Gillian-Anderson.jpg)
Gemma Arterton risks nip slip in daring black gown while Gillian Anderson looks elegant in sheer frock at Olivier Awards - Mirror Online
![Gemma Arterton almost falls out of her dress at 2015 Olivier Awards | Celebrity News | Showbiz & TV | Express.co.uk Gemma Arterton almost falls out of her dress at 2015 Olivier Awards | Celebrity News | Showbiz & TV | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/79/590x/gemma-arterton-570105.jpg)