| Year | Title | Role | Notes |
| 2005–2006 | CD:UK | Co-presenter | |
| 2006 | The All Star Talent Show | |
| I'm a Celebrity...Get Me Out of Here! | Contestant | Finished 2nd place |
| 2006–2007, 2009 | New Year Live | Presenter | 3 occasions |
| 2006–2013 | The National Lottery Draws | In-rotation with other presenters |
| 2007 | The One Show | Co-presenter | With Adrian Chiles |
| 2008 | Last Choir Standing | |
| Tom Jones: One Night Only | Presenter | One-off episode |
| Teaching Awards | Co-presenter | With Jeremy Vine |
| 2008–2013, 2018 | Classic Brit Awards | Presenter (2008–2013)Co-presenter (2018) | 7 occasions |
| 2009 | I'm a Celebrity...Get Me Out of Here! USA | Co-presenter | Series 2 |
| 2010 | GMTV with Lorraine | Guest presenter | 4 episodes |
| 2010–2011 | Popstar to Operastar | Presenter | 2 series; with Alan Titchmarsh (Series 1) |
| Escape from Scorpion Island | Co-presenter | Series 4 and series 5 |
| 2010, 2012 | Lorraine | Guest presenter | 2 episodes |
| 2011 | The National Lottery Awards | Presenter | One-off episode |
| 2012 | Celebrity Antiques Road Trip | Contestant (Episode 2.19) |
| 2013 | The Great Christmas Toy Giveaway | Co-presenter |
| 2013, 2014, 2015, 2016 | Countdown | Guest | 21 episodes |
| 2014, 2023, 2024–present | Loose Women | Regular panellist (2014, 2024–present), Guest panellist (2023) | 36 episodes |
| 2015 | BBQ Champ | Presenter | 1 series |
| Blitz Cities | 1 episode |
| 2016 | Myleene Klass: Single Mums on Benefits | One-off episode |
| Matron, Medicine and Me: 70 Years of the NHS | 1 episode |
| 2018 - 2020 | Global Awards | Co-presenter | Music awards ceremony |
| 2021 | Dancing on Ice | Contestant | Series 13 |
| Myleene Klass: Miscarriage & Me | Presenter | Documentary |
| 2023 | I'm a Celebrity... South Africa | Contestant | Winner |
| Musical Masterpieces | Co-presenter | Alongside Errollyn Wallen |