Katharine McPhee goes hell for leather as she flashes her toned legs in thigh-slit skirt at Hollywood bash

She is known for her singing voice which earned her runner-up on the fifth season of American Idol.

But on Tuesday night, Katharine McPhee made her legs known as she stepped out for the Tyler Ellis x Petra Flannery collection anniversary party at Chateau Marmont in Los Angeles.

The 32-year-old actress showcased her toned pins in a skintight leather skirt which was slit up to her thigh as she hit the West Hollywood hotspot. 

Lady in leather! Katharine McPhee showed off her legs as she stepped out for the Tyler Ellis x Petra Flannery collection anniversary party at Chateau Marmont in Los Angeles on Tuesday

Katharine, who split from her Scorpion co-star Elyes Gabel last July, looked single and ready to mingle.

She teamed the sexy skirt with a matching black lace blouse which featured a sultry plunging neckline. 

The Smash star topped off her evening look with a silver and black leather bomber jacket and slung a chic purse over her shoulder. 

She added extra height to her five-foot-eight stature with a pair of metallic strappy stilettos. 

Sexy skirt! The 32-year-old actress donned a skintight leather skirt which was slit up to her thigh. She teamed the look with a plunging blouse and added metallic details

The brunette beauty played up her natural good looks with minimal make-up and left her long curly locks down to cascade past her shoulders. 

Octavia Spencer was also spotted arriving for the fashion anniversary party. 

The Hidden Figures star looked ready for spring in a white V-neck top which she tucked into a navy midi-skirt. 

Star-studded! Octavia Spencer was also spotted arriving for the fashion anniversary party. She looked beautiful in a blue and white ensemble and added a pop of leopard print

The 46-year-old actress added a pop of flair with a leopard-printed belt around her midsection and a coordinating pair of patterned open-toe heels. 

Octavia looked happy to be at the party despite her very busy award season for Hidden Figures. 

Kelly Rutherford was casually clad in a pair of blue jeans and a plain white T-shirt. 

Dressed down: Kelly Rutherford was casually clad in a pair of blue jeans and a plain white T-shirt. The Gossip Girl star, 48, polished her look off with a dark grey blazer and suede booties

The Gossip Girl star, 48, polished her look off with a dark grey blazer and suede booties.

The blonde beauty left her hair down and wore minimal make-up yet still looked gorgeous. 

She wore an oddly small chain purse around her midsection and also held a blue velvet clutch in hand, identical to the one Octavia carried. 

Mini-Gossip Girl reunion! Michelle Trachtenberg also attended the event. She wore an eclectic pink floral blouse with black pants and leather booties

It was a mini-Gossip Girl reunion as Michelle Trachtenberg also attended the event. 

The 31-year-old actress donned a pink floral printed blouse over an otherwise all-black ensemble. 

She topped off her eclectic look with black leather booties and a large silver statement ring which covered her entire left ring finger. 

Beautiful in black! Natasha Henstridge showed off her figure as she hit the blue carpet in a curve-hugging ensemble

The brunette beauty wore her hair down and accentuated her light eyes with a bronzed shimmery shadow. 

Natasha Henstridge showed off her figure as she hit the blue carpet in a curve-hugging ensemble. 

The Whole Nine Yards star donned a shimmery on-trend and off-the-shoulder blouse which she teamed with a similar skirt which fell just above the knee. 

Pretty as a petal! Emily VanCamp looked feminine in a long-sleeved floral printed dress which nearly grazed her ankles

Just rosy! Jess Weixler also opted for a feminine floral frock

More leather! Britt Robertson opted for a black jumpsuit and leather moto jacket

The blonde beauty, 42, wore her shoulder-length tresses in curls and lined her eyes and added dark gloss to her lips.   

Emily VanCamp looked pretty in a long-sleeved floral printed dress which nearly grazed her ankles. 

The Revenge star, 30, teamed the plunging wrap dress with a pair of black heels which featured bows on top.

The lady of honor, Tyler Ellis, looked beautiful in a blue short-sleeved shift dress.

The designer added fringe suede booties to her look and wore one of her tiny purses around her body as a necklace like most of her guests.  

Lady of honor! Tyler Ellis looked beautiful in a blue shift dress. The designer added fringe suede booties and wore one of her tiny purses as a necklace like most of her guests

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