United Kingdom, July 16 -- Dax Shepard has posted a nude picture of his wife Kristen Bell performing a yoga pose to celebrate her first-ever Emmy nomination.

The 44-year-old actress is up for the Best Actress in a Comedy Series prize, for her role in romantic comedy series Nobody Wants This, at this year's Emmy Awards.

Kristen celebrated her nod by stripping off completely naked - apart from some knee-high blue socks - and performing a one-legged downward dog yoga move.

Dax, 50, captured the moment, and shared it with his 4.1 million Instagram followers.

He wrote: "People might not know everything that happens behind the scenes in order to create an Emmy nominated performance like Kristen's. This may or may not have been a part of her...