Insiders told The Daily Mail the Britain's Got Talent host, 50, organised for the flowers to be hand-delivered to Lisa's home the day after the chocolate labrador passed away.
When Hurley was put down last month aged 12, Lisa and Ant were reunited at the vet in his last moments. He has been cremated and his ashes shared between them.
The presenter, 50, had previously shared the pet with his ex-wife Lisa Armstrong, with the pair entering a bitter custody battle over him following their split in 2018.
The Strictly make-up artist, 49, and Grant, 34, are said to have parted ways last month, just weeks after friends claimed she was 'happier than ever' in her new relationship.
Ant McPartlin's ex-wife Lisa Armstrong is said to be 'happier than ever' with her new actor boyfriend, who treats her like a 'princess' after she spent years playing 'second fiddle' in past relations…