She hosts the Sunday breakfast show on Heart FM with Stephen Mulhern.
Willis was born in Birmingham, West Midlands and attended John Willmott School in Sutton Coldfield after attending Wylde Green Primary school before that. She began modelling at the age of 17 and during her career worked for a range of magazines, retailers and companies including Marie Claire, Elle, Vogue, GAP and Chanel.
Willis got her first big break presenting on MTV in 2002 before presenting various other shows, including guest-hosting shows such as CD:UK, This Morning and Loose Women.
In 2007, Willis presented ITV2 spin-off series I'm a Celebrity...Get Me Out of Here! NOW! with her husband Matt before departing in 2008. She presented numerous episodes of The Hot Desk on ITV2 between 2008 and 2014.
In September 2012, Willis became a permanent presenter on This Morning, presenting segments in The Hub, taking over from Coleen Nolan. The feature was axed in 2014. She was also a stand-in presenter on the main show when Holly Willoughby or Ruth Langsford were absent.
Willis hosted two series of the ITV2 reality show Girlfriends in 2012 and 2013.
On 16 November 2012, Willis was drafted in to guest anchor Loose Women and has since presented on several occasions as a stand-in presenter. She covered for Carol Vorderman after she broke her nose in April 2013. In 2013, Willis guest-presented an episode of The Paul O'Grady Show, while O'Grady was away.
In 2013, Willis co-presented the ITV game show Prize Island with Alexander Armstrong.
In 2015, Willis was a team captain on the six-part ITV2 comedy panel show Reality Bites, hosted by Stephen Mulhern.
On 2 July 2015, it was announced that Willis would present a new three-part series for ITV called What Would Be Your Miracle, about modern miracles. The series began on 28 April 2016.
In January 2017, The Voice UK moved from BBC One to ITV. It was confirmed on 9 June 2016 that Willis would present the series after co-hosting three previous series on the BBC. She also presented a series of The Voice Kids on ITV.
In 2017, she presented The BRITs Are Coming live on ITV. She co-presented the 2017 BRIT Awards in February alongside Dermot O'Leary.
In 2007, Willis guest hosted the tenth week of Big Brother's Big Mouth. In 2010, Willis began presenting a Celebrity Big Brother online spin-off show entitled Celebrity Big Brother's Big i. While presenting the online spin-off in the same series, Willis also presented another edition of Big Mouth when Davina McCall entered the Big Brother house as part of a task. She was then later announced as the new co-presenter on the final series of Big Brother's Little Brother, hosting opposite George Lamb.
In 2010, it was announced that Willis would replace Melinda Messenger on the Channel 5 series Live from Studio Five, but after only two months, Willis announced she would be departing in order to co-present Big Brother's Little Brother and was therefore replaced by Jayne Middlemiss.
In 2011, it was confirmed that she would be returning to the revived series, presenting the spin-off show Big Brother's Bit on the Side.
On 13 March 2013, it was reported that Brian Dowling would be axed from Big Brother and be replaced by Willis with a source saying, 'Brian has been a great host but Emma is seen by channel chiefs as a true successor to Davina. They're talking to her now about taking over the role from the summer.' It was later confirmed, on 2 April 2013 by Channel 5 that Willis would be replacing Dowling as the new host of Big Brother. On 13 June 2013, she began presenting the fourteenth series of Big Brother.
Even though Willis presents the main Big Brother and celebrity series, she still continued to host the spin-off show Bit on the Side, sharing the presenting duties with Rylan Clark. On 2 February 2015, it was announced that Willis was to present her final edition of Bit on the Side that night, and Clark would take over as the main presenter of the spin off show.
On 30 March 2014, Willis presented the Mum of the Year Awards, with the highlights being shown on Channel 5 that same evening.
In 2013, Willis was confirmed as the replacement for Holly Willoughby on the BBC One talent show The Voice UK. On 11 January 2014, she began co-presenting the third series with JLS singer Marvin Humes, who replaced Reggie Yates.
In March 2014, it was announced that The Voice UK had been renewed for two future series. Both Willis and Humes returned to the show for the fourth series in 2015 and fifth series in 2016. The show was axed by the BBC after series 5 and moved to ITV in 2017.
Willis, and Reggie Yates co-hosted the Saturday night game show Prized Apart on BBC One. The series began on 13 June 2015 and was axed after the first series, due to poor ratings.
In the 14 series of the UK version of Who Do You Think You Are? Willis confirmed that she has a longstanding roots in Birmingham, West Midlands with her family tree being traced back to her 3 x great-grandfather who was named James Gretton and was a Horn and Hair Merchant as can be found in the census records. She also found she had Irish ancestors, a fact that came as a surprise to her. The revelations about her ancestry left her extremely uncomfortable with the actions of one, while others she found happy to have found a connection to.
On 5 August 2012, Willis began co-presenting Sunday Morning Breakfast with Stephen Mulhern across the Heart network.
In 2015, she became the celebrity ambassador for Gillette Venus and Oral-B.
In September 2013, Willis received a longlist nomination for Most Popular Entertainment Presenter at the National Television Awards in 2014. It was her second successive longlist nomination for the award.
On 5 July 2008, Emma Griffiths married Busted member Matt Willis at Rushton Hall, Northamptonshire, after three years of dating. The wedding was featured in OK magazine. She gave birth to their first child, a daughter called Isabelle, in June 2009. In November 2011, the couple had a second child, a son called Ace, and in May 2016, Willis gave birth to her third child, a girl called Trixie.Television