Mims Davies swore her allegiance to Theresa May after winning her Eastleigh seat with an increased majority.
The Conservatives regained the Hampshire seat with 28,889 votes to the Liberal Democrats' 14,710, the latter squeezed by a resurgent support for Labour who got 11,454.
The UKIP vote was massively reduced to 1,477 while the Greens finished fifth with 750.
Rachel Hepworth reports:
Rachel spoke to Mims Davies, the Liberal Democrat candidate Mike Thornton, and UKIP's Malcolm Jones.
More than 68% of the electorate turned out to vote in the 2017 General Election, and it's said the youth vote helped to boost those figures.
Theresa May will not resign as Prime Minister, ITV News understands.
Negotiations are due to start soon - and it's not at all clear that the person who triggered Article 50 will be sat around the table.