Aaron Carter misses his brother's wedding? Are the two feuding--Nick tweets "To all the haters that thought it wouldn't last"

Aaron Carter was one upset brother. MStars has learned that the singer missed his brother Nick Carter's wedding.

Aaron posted via Instagram that he was stuck on a plane.

"Really pissed off that I missed my brother's wedding today," Aaron Carter captioned the picture. "I hope he doesn't hate me. I tried to get there. I'm sorry bro @nickcarter #technicalProbliems."

Aaron, 26 was traveling from Washington D.C. where he appeared in the National Cherry Blossom Festival Parade.

Meanwhile the newly weds are having fun via honeymoon. It seems that Nick Carter is not mad at it little brother for missing the wedding, he is enjoying the married life.

Mr. and Mrs. Carter posted a photo showing off their rings while jetting away. Nick wrote, "To all the haters that thought it wouldn't last...I LOVE Mrs Carter! @laurenkitt #ilovemywife #ilovebeinghusband."