Blake Lively accidentally flashes her Spanx in plunging silver robe while joining husband Ryan Reynolds at state dinner for Canadian Prime Minister

Ryan Reynolds and his wife Blake Lively were practically bursting with happiness as they made their grand entrance to a White House state dinner honoring Canadian Prime Minister Justin Trudeau.

Clothing, Smile, Coat, Trousers, Dress, Shirt, Outerwear, Happy, Formal wear, Suit, The 39-year-old actor, who hails from Vancouver, Canada, looked sharp in a midnight blue suit and white bow tie as he stopped by on Thursday with his stunning wife on his arm.

Clothing, Footwear, Coat, Trousers, Shoe, Dress, Suit trousers, Shirt, Suit, Photograph, As smart as Ryan looked, however, his leading lady once more threatened to steal the spotlight with her leggy look.

Date night! The couple are parents to one-year-old daughter JamesBlake looked sensational in a silky grey Ralph & Russo gown that featured a plunging neckline, long centre slit, and a bow that cinched at her waist.

However, as she walked, her slashed-to-the thigh dress revealed that the pretty actress was wearing Spanx.

Dashing! The Deadpool star sharpened up in a midnight blue suit that complimented the silky gray worn by his beautiful wifeClearly the 28-year-old, who gave birth to daughter James just 15 months ago, felt the need for a little extra support around the tummy. 

The Sisterhood of the Travelling Pants star styled her long golden hair down in loose waves and looked glam with her long violet earrings and a boxy silver clutch by Marchesa.

Revealing: Blake Lively showed off her stunning figure - and her Spanx - as she accompanied husband Ryan Reynolds to the state dinner Canadian Prime Minister Justin Trudeau on ThursdayRyan seemed to have pulled out all the stops to sharpen up his appearance, slicking his brunette hair across his forehead.

The actor, however, kept a rugged touch with his unshaven beard.  

Blake Lively in Ralph & Russo at the White House | Vogue