Time to celebrate! Pregnant Ciara dazzles at CFDA party a day after announcing she's expecting a baby with husband Russell Wilson

After a Tuesday filled with cause for celebration, Ciara kept her festive mood alive when she stepped out in Los Angeles on Wednesday.

The 31-year-old was spotted among the celebrities at a party the Council Of Fashion Designers Of America/Vogue Fashion Fund threw at Chateau Marmont.

Only a day before, she'd not only rung in a birthday, but also publicised her first pregnancy by her dashing husband Russell Wilson.

Making an entrance: Ciara was among the celebrity-strewn crowd at a party the CFDA/Vogue Fashion Fund gave at Chateau Marmont in Los Angeles on Wednesday

At the CFDA party, she'd slid into a pleated black leather miniskirt that bared her impressively toned legs. 

Heavily strapped black platform stilettos elongated the look of her vertiginous stems even further. 

Tucked into the skirt was a thin black top with a neckline that exposed only the faintest trace of cleavage.

A hint: Her black top featured a sloping neckline that bared only the faintest trace of cleavage

When you got it: Her pleated black leather miniskirt showcased her impressively toned legs

Finish your look with lace up sandals like Ciara

She always looks impeccably dressed and it was no different as Ciara attended the CFDA party.

The siren is now officially pregnant but she hasn't changed her style...yet. Ciara wore a stunning navy tuxedo blazer from Akris over a flirty mini skirt. To slim her frame even more, the wife of Russell Wilson added a pair of platform heeled sandals to lengthen her legs and we loved the lace up pair by Aquazzura.

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She accessorised by way of a sheer strip of black that wound its way about her neck as a choker, complementing her outfit. 

An Oxford blue blazer sat over the entire ensemble, though traces of black - buttons as well as the collar - kept to the theme of the ensemble. 

Her colossal diamond engagement ring glittered on her hand, and her brown and blonde hair cascaded freely. 

Hobnobbing: Vogue documented the proceedings on Snapchat, showing the R&B singer meeting up with Katy Perry

Vogue have documented the affair on Snapchat. Ciara appeared therein, hobnobbing with the likes of Katy Perry, who'd donned a frilled lacy white gown reminiscent of wealthy women in Westerns. 

Alessandra Ambrosio, whom the R&B singer also posed with, had worn a white gown with an intricately patterned gold midsection, as well as a drop necklace. 

A sand-coloured overcoat was flung casually over her shoulders as she and Ciara posed with English models Rosie Huntington-Whiteley and Jourdan Dunn.

Dynamic duo: The Austin native also posed with Alessandra Ambrosio

The 29-year-old had pulled on a white top with enough buttons undone that the collar slid off her right shoulder. 

Loose black and white pinstriped pants were cinched about her enviably trim waist with a matching belt. Dark blue stilettos rounded out the look.

Meanwhile, the 26-year-old bared her impressively toned midriff in a curved-hem sand-coloured crop top and a pair of high-waisted matching trousers. 

Flashing it: Ciara's colossal engagement ring glistened on her finger

Keeping out the autumn breeze: An Oxford blue blazer was flung over the ensemble

Over the whole affair was a jacket with pale multicoloured patterns splashed across a white background.

On Tuesday, she lit up her Instagram page with a black and white photo of herself lying back against her husband, who rested his hands against her belly. She rested her left hand over his, deftly foregrounding her engagement ring.

'On this special Birthday I received an abundance of love from friends and family..' she wrote in her caption, 'and I'm excited to Finally share one of the Greatest Gifts of All that God could give...' Along came an emoji of a baby's face. 

Stand tall: Black platform stilettos elongated the look of her vertiginous legs

Coordination: She complemented her skirt and top with a sheer black fabric choker

Quartet: The I Bet singer (right) stood for the cameras with Ambrosio (left), Rosie Huntington-Whiteley (second from left) and Jourdan Dunn (second from right)

The Seattle Seahawks' quarterback posted the same picture to his own Instagram, writing: 'The Greatest Blessing of All. Forever Grateful. #BabyWilsonOnTheWay'.

The couple have been married since July, having struck up their romance last year. Though the impending baby is their first, Ciara's got a two-year-old son called Future Zahir Wilburn, who was sired by the rapper also called Future.

According to E! News, Wilson and Ciara have already 'told baby Future about his sibling that's in his mommy's belly. He seems excited.'

'One of the Greatest Gifts...': On Tuesday, her 31st birthday, she shared a sweet black-and-white Instagram photo of herself with her husband Russell Wilson and announced her first pregnancy by him

Flashing the ring: The couple married in July, and Ciara has a two-year-old son called Future Zahir Wilburn by the rapper also called Future

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