The blonde bombshell, 33, showcased her enviable curves in a glamorous floor-length pink number as she took to the red carpet at the star-studded event in Manchester.
Her pastel frock featured a plunging halterneck that flashed a glimpse of her ample bust.
Catherine sizzled in the chic dress as the skirt skimmed her peachy posterior, hugging her shapely hips before falling to the floor at her feet in a modest train.
Catherine sizzled in the racy pink number
She flashed a glimpse of her ample assets in the plunging gown British Soap Awards 2016 Sat, May 28, 2016
The British Soap Awards celebrates another year of tears, trials, tribulations and tantrums from Coronation Street, EastEnders, Emmerdale, Doctors & Hollyoaks.
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The Coronation Street beauty wore her golden locks in coifed voluminous waves as she accessorised with a matching rosy pink clutch bag and statement earrings.
She also made a powerful statement as she paid tribute to the victims of the Manchester terror attack with the words "We stand together" inscribed onto her bag.
Catherine's polished make-up look included sultry cat-eye liquid liner and pale eyeshadow to bring out her stunning baby blues, along with a touch of natural nude pink lipgloss.
Her co-star Kym Marsh, 40, stunned in a show-stopping navy blue number with a racy thigh-high split as she arrived eagerly awaiting the ceremony to find out if she had won the gong for Best Actress for her role in the ITV soap.
Kym Marsh looked sensation in a skintight navy frock
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Kym's dress had a delicate lace overlay
Her skintight frock showcased her trim curves and boasted a delicate see-through lace top, showing off a hint of her décolletage underneath.
She paired the striking number with killer silver stilettos and wore her chocolate locks in a chic up 'do as she posed for photographers.
The star opted for thick, sultry kohl eyeliner and dramatically filled in brows, letting her eye make-up speak for itself with simple nude lipstick.
The British Soap Awards will air Tuesday at 8pm on ITV.