Robertson stepped out in Los Angeles on Sunday wearing a black athletic tank top and pants.
Noticeably missing from the ensemble?
The huge diamond ring Flajnik proposed with in Switzerland during the 16th season finale of The Bachelor in November 2011. The model received a 3-carat cushion-cut custom Neil Lane ring worth about $85,000 from the winemaker.
During March's After the Final Rose special, Flajnik explained, "We kind of looked back at some of the other Bachelor relationships that didn't work out and the reason for that is you have so much pressure to move in together and set a date and all this kind of stuff . . . Let's figure out who we are together before we do any of that and take the pressure off."