Here's the video.
24 November 2013: Kendall gets asked about Harry at the AMA's.
02 December 2013: Harry gets asked about Kendall at the British Fashion Awards but changes the subject.
06 December 2013: Kendall is seen arriving at her hotel in New York and Harry was seen leaving later.
Here's a video.
11 December 2013: Kendall gets asked about Harry.
15 January 2014: Kendall gets interviewed by Chelsea Handler and she mentions Harry.
27 January 2014: They were seen driving around in LA again but asked that they could stop being followed.
01 February 2013: Kendall threw Harry a birthday party before he left for London and helped plan his party in London as well.
17 February 2014: They attended the same event in London.
24 February 2014: They attend The Miley Cyrus concert in LA. Harry was also seen wearing Kendall's ring.
08 March 2014: They both attend a party in LA but only Kendall was spotted arriving. A worker at the party got a picture of harry for her daughter.
18 May 2014: Kendall slips up and almost calls 5SOS One Direction at The BBMA's.
27 May: Kendall posted this on Instagram.
14 September 2014: Harry threw an after party in LA and Kendall attended.
01 October 2014: Kendall posts this video on Instagram of Harry singing in the background.
01 February 2015: Kendall attends Harry's birthday party. They left at some stage with Cara but later returned and left separately.
17 May 2015: They both attend the BBMA's and were sat close to each other. They hung out backstage confirmed by Charlie Puth.
Here's the video.
29 December 2015: They were together in Anguilla with Jeff, Glenne, Robin and Anne.
08 January 2016: Khloe talks about Kendall and Harry.
25 January 2016: Kourtney talks about Kendall and Harry.
19 March 2016:Anne's icloud was hacked and we got pictures from their yacht trip and a few other times.
23 March 2016: Kris talks about Harry.
03 September 2016: Spend the day together with Cam and Kaia and went balloon shopping. They also had dinner at Mel's.
28 January 2017: They both attend the Kings of Leon concert in LA. They were seen arriving at The Roosevelt Hotel later that night.
20 May 2017: Kendall likes a video of Harry and Stevie singing Landslide at The Troubadour from a fan account on Instagram.
14 July 2018: Kendall attends Harry's last concert in LA.