Penelope Cruz designs underwear

Penelope Cruz and her sister Monica have designed their own lingerie collection.

The Spanish actress and her sibling have teamed up with Agent Provocateur to create the L'Agent diffusion line, which will feature 15 styles, including a selection of bras, briefs and corsets.

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Penelope said: "It is so exciting for me and Monica to embark in this new adventure. We have always been huge fans of Agent Provocateur and both of us are very much looking forward to this long term collaboration. We feel extremely happy to become part of this great team."

The collaboration began when Monica was cast as the face of the underwear brand's autumn/winter 2012-13 ad campaign, and demonstrated an enthusiasm for design. Agent Provocateur's creative director, Sarah Shotton, added: "Monica Cruz was sensational [in our campaign], and Penelope Cruz has always been a muse for Agent Provocateur. Penelope and Monica are both long-time lingerie fans and have brought a new design sensibility to the brand. Working with the Cruz sisters was a great opportunity to bring the diffusion line to life and to further strengthen the brand's relationship with them."

The sisters have been heavily involved with all aspects of the collaboration and the partnership is expected to last a minimum of five years.

The lingerie range will be released next August.