Solange Knowles celebrated her 26th birthday in London with her big sistah Beyonce. Solange posted a few bday photos online. Last weekend was the BBC Radio 1′s Hackney concert. She and Beyonce were on hand for the occasion.

Solange posted the photo above with the caption “We.Are. Family….” Her birthday was on Sunday. She spent the day with family and watching her brother-in-law Jay-Z’s Saturday concert. Jay-Z was joined by Rihanna on stage on Sunday.