Liv Tyler Celebrates 'Strength in Stillness' Book Launch

Liv Tyler suited up to celebrate the book launch of Strength in Stillness!

The 40-year-old actress stepped out at the event on Monday evening (February 26) at Wellington Arch in London, England.

PHOTOS: Check out the latest pics of Liv Tyler

Liv hosted the event alongside friend Stella McCartney.

The new book by Bob Roth talks about the power of transcendental meditation.

“The David @LynchFoundation (which @MeditationBob is a co-founder and executive director) has helped to introduce transcendental meditation to over 300,000 at-risk people including veterans and survivors of domestic violence. Tonight, we celebrate the launch of his seventh book,” Stella wrote on her Twitter.