London, June 13 Former German tennis ace Boris Becker exchanged wedding vows with his lover Lilly Kerssenberg in Switzerland on Friday.

The couple completed the first stage of their intimate St Moritz ceremony with a photo op outside the register office, and later exchanged self-penned vows at an elegant alpine chapel.

An announcement about their wedding plans was made on a German chat show earlier this month.

According to the Daily Express, Becker showed his love for Lilly on the show by leaping through a flaming heart of fire.

Lilly also revealed at the time that they had discussed their wedding plans with Becker's ex-wife Barbara Feltus, with whom he has two sons.

She said that Barbara had given them her blessing. (ANI)