Even after more than a year away from the tour, even after a health scare while having a baby a little more than 10 months ago, Williams is still capable of dominance.
Her parents, Carole and Michael Middleton, were spotted in Wimbledon's Royal box on Wednesday and her pregnant sister, Pippa, is expected to make an appearance.
"I didn't expect to play this well so quickly into my comeback", she said courtside.
"It is a great feeling to be in the final and playing on the Centre Court is always a great experience and I am really excited", she told the BBC.
"This is not inevitable for me", she said.
The left-handed Kerber was mainly a passive participant in the early going against Ostapenko.
Serena Williams remains on course for her eighth Wimbledon singles title after setting up a final against Germany's Angelique Kerber.
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Williams is playing her fourth tournament since becoming a mother and is now the favourite to win the title. "This is the only chance to beat her".
The 36-year year old triumphantly returned to the grass courts of Wimbledon to reach the tournament final since returning from the enforced layoff. Her first Grand Slam tournament back was the French Open, where she won three matches before withdrawing last month because of an injured chest muscle. "I had a really tough delivery, and I had to have multiple surgeries and nearly didn't make it, to be honest. These are the matches I was working for as a kid and to be in the final at Wimbledon is great". "I'm just enjoying every moment".
When Williams took a leave of absence to have her first child soon after claiming her 23rd Grand Slam at the 2017 Australian Open, it appeared her streak might be under threat.
The 13th seed had never taken a set off Williams in three previous meetings and unfortunately for her, the American was once again at her dominant best on Thursday as she bludgeoned down five aces and 16 winners to finish off Goerges.
It was clear right from the opening game of Angelique Kerber's Wimbledon semifinal how things were going to go.
A second break allowed her to serve for the win at 5-1 and she had a match point, only for Ostapenko to find her range and stay alive.
Williams was back giving the crowd a one-arm raised victory twirl after reaching a 10th Wimbledon final when her opponent swiped a lob behind the baseline. There was one brief blip to come: Williams got broken for the only time while serving for the match at 5-3.
Her daughter Olympia was born in September but Williams then underwent emergency surgery to prevent life-threatening blood clots.