Michelle Keegan has said she is stepping down from BBC drama Our Girl after four years.
The former Coronation Street star has played Army officer Georgie Lane in the military series since 2016 and will bow out with her fourth and final series this year.
She said she wants to pursue other acting roles but that it was "a very hard decision" to make.
Keegan, 32, told The Sun: "I've had the most incredible four years on the show and I want to thank the BBC for giving me such an amazing opportunity.
Michelle Keegan arriving for the 2009 British Soap Awards at the BBC Television Centre, Wood Lane, London.
Cast members from Coronation Street (from left to right) Tom Hudson, Michelle Keegan, Jane Danson, Kym Ryder and Vicky Binns arrive at the TRIC Awards held at the Grosvenor Hotel in London.
Michelle Keegan arrives at the Royal Television Society Programme Awards held at the Grosvenor House Hotel, in central London.
Michelle Keegan and Antony Cotton arrive for the British Soap Awards 2008 at BBC Television Centre, Wood Lane, London, W12.
Michelle Keegan with the award for best soap newcomer, at the TV Quick and TV Choice awards 2008, at The Dorchester, Park Lane, London.
Michelle Keegan at the National Television Awards 2008, the Royal Albert Hall, Kensington, London.
Michelle Keegan arriving at the TRIC Awards 2009, Grosvenor House Hotel, Park Lane, London.
Michelle Keegan arriving at the Royal Television Society Awards 2009, Grosvenor House Hotel, Park Lane, London.
Michelle Keegan arriving at the Inside Soap Awards 2009 Nominations Launch Party at Great John Street Hotel, Manchester.
Michelle Keegan at the 2009 Inside Soap Awards at Sketch, Conduit Street, London.
Michelle Keegan arriving for the National Television Awards 2010, at the 02 Arena, London.
The cast of Coronation Street celebrate Craig Gazey winning the best newcomer award during the National Television Awards 2010, at the 02 Arena, London.
Coronation Street actresses Michelle Keegan (right) and Helen Flanagan (left), pose with ex cast mate Lucy Jo-Hudson for the launch of the Rugby League Co-operative Championships.
Michelle Keegan arriving for the 2010 British Soap Awards at the ITV Studios, South Bank, London.
Coronation Street actress Michelle Keegan arrives for the premiere of Blue Moon Rising at the Printworks in Manchester.
Michelle Keegan arriving at the National Television Awards 2010, the O2 Arena, North Greenwich, London.
Brooke Vincent, Sacha Parkinson and Michelle Keegan of Coronation Street backstage at T4 on The Beach in Weston-super-Mare.
Michelle Keegan arriving at the Inside Soap Awards 2011, Gilgamesh Restaurant, Camden, London.
Cast and crew of Coronation Street collect the Serial Drama award on stage during the 2012 NTA Awards at the O2, Greenwich, London
Michelle Keegan arriving at the 2012 Inside Soap Awards Launch Party in association with boohoo.com at Rosso Restaurant, Manchester.
Michelle Keegan at The Look Show, the Royal Courts of Justice, London.
Coronation Street stars Brooke Vincent, Sue Johnston and Michelle Keegan in the stands
Michelle Keegan arriving for the 2014 British Soap Awards at The Hackney Empire, 291 Mare St, London.
Michelle Keegan arriving at the 2014 TV Choice Awards, The Park Lane Hilton, London.
Michelle Keegan attending the British Heart Foundation's Roll Out The Red Ball fundraiser at The Park Lane Hotel, Piccadilly, London.
(left to right) Millie Mackintosh, Ella Eyre and Michelle Keegan attending the Julien Macdonald Autumn/Winter 2015 London Fashion Week show, at The Foreign and Commonwealth Office, London. PRESS ASSOCIATION Photo. Picture date: Saturday February 21, 2015. Photo credit should read: Yui Mok/PA Wire
Michelle Keegan arriving at the House of Fraser British Academy Television Awards held at the Theatre Royal, London
(Mandatory Credit: Doug Peters/EMPICS Entertainment)
Michelle Keegan attending the 2015 TV Choice Awards at the Park Lane Hilton Hotel, London. PRESS ASSOCIATION Photo. Picture date: Monday September 7, 2015. See PA story SHOWBIZ TVChoice. Photo credit should read: Ian West/PA Wire
Michelle Keegan attends a screening of Our Girl at the Mayfair Hotel in London, to launch the new series that will transmit on BBC One in the autumn.
Michelle Keegan arriving at the BBC Series Launch of Our Girl, the May Fair Hotel, London. Picture Date: Thursday 1st September 2016. Photo credit should read: Doug Peters/EMPICS Entertainment
Michelle Keegan attending the BRIT Awards 2017, held at The O2 Arena, in London. Picture date Tuesday February 22, 2017. Picture credit should read Doug Peters/ EMPICS Entertainment. Editorial Use Only - No Merchandise.
Michelle Keegan at the launch of her latest collection for Very held at One Marylebone, London.
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"Playing Georgie has been a life-changing role for me. I've loved every second of the adventure so it was a very hard decision to make not to return.
"I feel it is the right time to explore other exciting opportunities but I'm so happy to be part of the new series coming soon so it's not the end just yet."
Keegan joined Our Girl when former EastEnders actress Lacey Turner departed after two series in the lead role as Army officer Molly Dawes.
The new series, set to air later this year, will see Georgie promoted to Sergeant and returning to Afghanistan "to face her own fears".
Keegan's work in Our Girl has seen her spend months overseas filming in locations including South Africa and Malaysia.
The actress rose to fame in ITV's Corrie as Tina McIntyre, a role she had from 2008 until 2014.
She has also appeared in BBC drama series Ordinary Lies, Sky One comedy Brassic and ITV series Tina and Bobby, a series based on the relationship of the late footballer Bobby Moore and his wife Tina.