Jessica Ennis-Hill began her title defence in the Olympic heptathlon in style in Rio, clocking a time of 12.84 seconds in the 100m hurdles.
The British medal hopeful's time was faster than the one she set at the World Championships in 2015 and earned her 1149 points and first position in the heptathlon standings.
People on Twitter have shown their support and excitement for Ennis-Hill's performance.
As well as her abs.
Fellow Briton Katarina Johnson-Thompson clocked a time of 13.48s in her heat, earning 1053 points and putting her in 11th position.
Tweeters congratulated her too.
Well done ladies!