Hollingbury had the first clear-cut chance of the second-half just 4 minutes in, and it needed a top-drawer save from replacement Worthing keeper Holly Jenkins to keep it out.
The lively Slyfield found space in the box and unleashed a rasping drive towards the top corner, but Jenkins instinctively stuck out an arm to tip it onto the post and showed further remarkably quick reactions to catch the ball as it rebounded off the woodwork.
The long-throw of Worthing’s Willow Exley, which was describe as “unreal” by her manager Sarah Poyntz, was a useful weapon in their armoury, and one created an opening for Libby Bunn in the 47th minute but she shot straight at Townsend.
With 10 minutes left on the clock Behr and Slyfield linked-up once again, the latter fashioned a chance for herself but wasn’t able to beat Jenkins with her low effort on goal.
Into extra-time, and Jenkins was at it again this time denying Hawks Scarlett Foster who tried her luck from long range on 62 minutes. Ruby Hickman ponced on a loose ball for Worthing in the second period of extra-time, but her shot from distance drifted agonisingly wide of the far post.
Hollingbury had the chance to win the game in the additional-time to extra-time as Slyfield burst through, but reinstated Westwater in the Worthing goal came out to narrow the angle and make a dramatic last gasp save with her foot to send the cup final into the dreaded penalty shootout.
After sending their first penalty kick wide, Hollingbury keeper Townsend produced a fine save to claw the ball out and deny Worthing taking the lead.
But, Westwater - who was the hero in the semi-final in similar circumstances - was in outstanding form again saving the next three Hawks penalties whilst her teammates Matilda Freestone and Bunn converted to win the Cup for Worthing!
After the match, victorious joint managers Sarah Poyntz and Zoe Rendell were quick to praise their team: “It’s amazing, we’ve experienced extra-time and pens the whole way through the competition and Freya has pulled out some amazing saves in the shootouts, but we’ve had everyone on of our 24 players play a part in our journey here and they’ve been fantastic and its pleasing to see so many of them here supporting the team today.
“Credit to Hollingbury they did really well, they’ve got fast players upfront and are a real threat on the counter attack, but we managed to hang in there and pull it out of the bag on penalties.
“We’re very lucky to have two extremely talented goalkeepers at this age group who kept us in the game and all the girls dug deep to come though and it is just amazing to win the trophy!”