Sian Welby impresses viewers as she sparks calls to replace Cat Deeley on 'This Morning'

Sian Welby won over the hearts of This Morning fans on Wednesday as she stepped in for regular host Cat Deeley during her Easter break. 

The 38-year-old presenter co-hosted alongside Dermot O'Leary, and fans were quick to praise her effortless charm and on-screen chemistry. 

With Cat Deeley and Ben Shephard taking some well-earned time off this week, Sian and Dermot have taken the reins-and viewers have been more than impressed.

Many took to social media to share their excitement, with some even calling for Sian to be made a permanent host on the ITV show.

One fan wrote under Sian's Instagram post, which featured behind-the scenes moments from the studio. 'You are natural, please make this a regular thing.' 

Others complimented her presenting skills and stylish outfits , adding to the chorus of positive feedback. 

It seems Sian's warm, lively presence has brought a refreshing vibe to the show, an fans clearly would not mind seeing more of her.