Imogen Thomas beams as she poses with her two daughters at Kensington Palace

Imogen Thomas looks leggy in Gucci tights as she joins daughters Ariana, 9, and Siera, 6, at the gala screening of The Amazing Maurice at Kensington Palace

Imogen Thomas looked effortlessly chic as she attended the gala screening of The Amazing Maurice at the Kensington Palace Pavillion on Sunday.

The former Big Brother star, 40, couldn’t hold back her smile as she enjoyed the event with her two daughters, Ariana, nine, and Siera, six.

Miss Wales 2003 looked stunning in a black knitted mini dress which she paired with Gucci sheer tights and Prada brogues.

Winter style: Imogen Thomas looked effortlessly chic as she attended the gala screening of The Amazing Maurice at Kensington Palace on Sunday

Winter style: Imogen Thomas looked effortlessly chic as she attended the gala screening of The Amazing Maurice at Kensington Palace on Sunday

The beauty donned several pieces of gold jewelry and styled her long dark locks chic up, with two strands framing her face.

She dressed her two daughters, who she shares with her 11-year-old ex-husband Adam Horsley, in matching winter gray plaid dresses, white tights and boots.

Also in attendance was Vanessa Feltz, who stood out from the crowd in a dazzling star-print midi dress, which she paired with eye-catching gleaming gold boots.

Girls Day: The former Big Brother star, 40, couldn't hold back her smile as she enjoyed the event with her two daughters, Ariana Siena and Siera Aleira

Girls Day: The former Big Brother star, 40, couldn’t hold back her smile as she enjoyed the event with her two daughters, Ariana Siena and Siera Aleira

Looking good: The Miss Wales 2003 looked stunning in a black knitted mini dress which she paired with sheer patterned tights, Prada brogues and a fur bag

Looking good: The Miss Wales 2003 looked stunning in a black knitted mini dress which she paired with sheer patterned tights, Prada brogues and a fur bag

The TV presenter smiled as she kept warm in black tights and styled her blonde tresses in loose waves.

Kimberly Wyatt looked effortlessly cool in black skinny leather pants and an oversized light green sweater with a large floral smiley face on the front.

The Pussycat Doll singer rocked a chunky pair of black boots and let her blonde tresses fall to her shoulders beneath a red winter hat.

She was joined at the event by three children and her husband Max Rogers, who looked cozy in a white knit sweater and jeans.

Everyone's smiling: She dressed her two daughters, who she shares with husband Adam Horsley, 11, in matching winter gray plaid dresses, white tights and boots

Everyone’s smiling: She dressed her two daughters, who she shares with husband Adam Horsley, 11, in matching winter gray plaid dresses, white tights and boots

Dazzling: Also in attendance was Vanessa Feltz, who stood out from the crowd in a dazzling star-print midi dress, which she paired with eye-catching gleaming gold boots Striking: The TV presenter smiled as she kept warm in black tights and styled her blonde tresses in loose waves

Dazzling: Also in attendance was Vanessa Feltz, who stood out from the crowd in a dazzling star-print midi dress, which she paired with eye-catching gleaming gold boots

Meanwhile, Linda Robson looked incredible in a sheer black midi dress with short sleeves.

The Loose Woman star, 64, added a pop of color to the number, wearing a long blue scarf and donning a pair of boots.

TOWIE star Saffron Lempriere cut a stylish figure in a long black leather jacket with feather cuffs and a matching collar.

Chic: Kimberly Wyatt looked effortlessly cool in black skinny leather pants and an oversized bright green sweater, which she paired with a chunky pair of black boots and a red winter hat

Chic: Kimberly Wyatt looked effortlessly cool in black skinny leather pants and an oversized bright green sweater, which she paired with a chunky pair of black boots and a red winter hat

Fun day out: The Pussycat Doll singer was joined at the event by three children and her husband Max Rogers, who looked cozy in a white knitted jumper and jeans

Fun day out: The Pussycat Doll singer was joined at the event by three children and her husband Max Rogers, who looked cozy in a white knitted jumper and jeans

Stunning: Meanwhile, Loose Woman star Linda Robson, 64, looked incredible in a sheer black midi dress, which she added a pop of color with a long blue scarf

Stunning: Meanwhile, Loose Woman star Linda Robson, 64, looked incredible in a sheer black midi dress, which she added a pop of color with a long blue scarf

She added inches to her figure in a pair of towering black boots and donned a bright red headband in her long blonde wavy locks.

TV presenter Ria Hebden, 39, dressed to impress for the children’s event in a plunging iridescent fringed-trimmed black midi dress.

She added inches to her body in a pair of black pointed toe heels with a silver strap and a dramatic pair of glittery drop earrings.

Ria opted for a radiant bronze makeup palette with a swipe of bold red lipstick as she was joined by husband Mark, son Noah and daughter Lula.

Unbelievable: TOWIE star Saffron Lempriere cut a stylish figure in a long black leather jacket with feather cuffs and a matching collar

Unbelievable: TOWIE star Saffron Lempriere cut a stylish figure in a long black leather jacket with feather cuffs and a matching collar

Wow: TV presenter Ria Hebden, 39, dressed to impress for the children's event in a plunging iridescent fringed black midi dress

Wow: TV presenter Ria Hebden, 39, dressed to impress for the children’s event in a plunging iridescent fringed black midi dress

Dressed to impress: Ria opted for a radiant bronze makeup palette, including a bold red lipstick, as she was joined by husband Mark, son Noah and daughter Lula

Dressed to impress: Ria opted for a radiant bronze makeup palette, including a bold red lipstick, as she was joined by husband Mark, son Noah and daughter Lula